Home / 51,767.28-71,438.48-29,411.28

Finding the Fourth Proportional to 51,767.28, 71,438.48 and 29,411.28

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Solution

The fourth proportional to 51,767.28, 71,438.48 and 29,411.28 is: 40,587.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,767.28 : 71,438.48 = 29,411.28 : x
  2. Step 2: Convert to fraction form
    51,767.28/71,438.48 = 29,411.28/x
  3. Step 3: Cross multiply
    51,767.28x = 71,438.48 × 29,411.28
  4. Step 4: Simplify right side
    51,767.28x = 2,101,097,138.05
  5. Step 5: Solve for x
    x = 2,101,097,138.05/51,767.28
  6. Step 6: Final answer
    x = 40,587.36

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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.