Home / 53,003.60-73,146.24-29,130.80

Finding the Fourth Proportional to 53,003.60, 73,146.24 and 29,130.80

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Solution

The fourth proportional to 53,003.60, 73,146.24 and 29,130.80 is: 40,201.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,003.60 : 73,146.24 = 29,130.80 : x
  2. Step 2: Convert to fraction form
    53,003.60/73,146.24 = 29,130.80/x
  3. Step 3: Cross multiply
    53,003.60x = 73,146.24 × 29,130.80
  4. Step 4: Simplify right side
    53,003.60x = 2,130,808,488.19
  5. Step 5: Solve for x
    x = 2,130,808,488.19/53,003.60
  6. Step 6: Final answer
    x = 40,201.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.