Home / 51,501.16-71,080.50-29,145.16

Finding the Fourth Proportional to 51,501.16, 71,080.50 and 29,145.16

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Solution

The fourth proportional to 51,501.16, 71,080.50 and 29,145.16 is: 40,225.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,501.16 : 71,080.50 = 29,145.16 : x
  2. Step 2: Convert to fraction form
    51,501.16/71,080.50 = 29,145.16/x
  3. Step 3: Cross multiply
    51,501.16x = 71,080.50 × 29,145.16
  4. Step 4: Simplify right side
    51,501.16x = 2,071,652,545.38
  5. Step 5: Solve for x
    x = 2,071,652,545.38/51,501.16
  6. Step 6: Final answer
    x = 40,225.36

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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.