Home / 35,607.60-53,411.40-30,999.60

Finding the Fourth Proportional to 35,607.60, 53,411.40 and 30,999.60

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Solution

The fourth proportional to 35,607.60, 53,411.40 and 30,999.60 is: 46,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,607.60 : 53,411.40 = 30,999.60 : x
  2. Step 2: Convert to fraction form
    35,607.60/53,411.40 = 30,999.60/x
  3. Step 3: Cross multiply
    35,607.60x = 53,411.40 × 30,999.60
  4. Step 4: Simplify right side
    35,607.60x = 1,655,732,035.44
  5. Step 5: Solve for x
    x = 1,655,732,035.44/35,607.60
  6. Step 6: Final answer
    x = 46,499.40

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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.