Home / 51,739.72-71,400.18-29,382.28

Finding the Fourth Proportional to 51,739.72, 71,400.18 and 29,382.28

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Solution

The fourth proportional to 51,739.72, 71,400.18 and 29,382.28 is: 40,547.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,739.72 : 71,400.18 = 29,382.28 : x
  2. Step 2: Convert to fraction form
    51,739.72/71,400.18 = 29,382.28/x
  3. Step 3: Cross multiply
    51,739.72x = 71,400.18 × 29,382.28
  4. Step 4: Simplify right side
    51,739.72x = 2,097,900,080.81
  5. Step 5: Solve for x
    x = 2,097,900,080.81/51,739.72
  6. Step 6: Final answer
    x = 40,547.19

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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.