Home / 35,712,010.80-53,568,016.20-21,379,287.60

Finding the Fourth Proportional to 35,712,010.80, 53,568,016.20 and 21,379,287.60

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Solution

The fourth proportional to 35,712,010.80, 53,568,016.20 and 21,379,287.60 is: 32,068,931.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,712,010.80 : 53,568,016.20 = 21,379,287.60 : x
  2. Step 2: Convert to fraction form
    35,712,010.80/53,568,016.20 = 21,379,287.60/x
  3. Step 3: Cross multiply
    35,712,010.80x = 53,568,016.20 × 21,379,287.60
  4. Step 4: Simplify right side
    35,712,010.80x = 1,145,246,024,501,259.25
  5. Step 5: Solve for x
    x = 1,145,246,024,501,259.25/35,712,010.80
  6. Step 6: Final answer
    x = 32,068,931.40

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.