Home / 53,015.64-73,160.12-29,139.06

Finding the Fourth Proportional to 53,015.64, 73,160.12 and 29,139.06

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Solution

The fourth proportional to 53,015.64, 73,160.12 and 29,139.06 is: 40,211.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,015.64 : 73,160.12 = 29,139.06 : x
  2. Step 2: Convert to fraction form
    53,015.64/73,160.12 = 29,139.06/x
  3. Step 3: Cross multiply
    53,015.64x = 73,160.12 × 29,139.06
  4. Step 4: Simplify right side
    53,015.64x = 2,131,817,126.29
  5. Step 5: Solve for x
    x = 2,131,817,126.29/53,015.64
  6. Step 6: Final answer
    x = 40,211.10

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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.