Home / 57,005.28-78,614.96-34,304.87

Finding the Fourth Proportional to 57,005.28, 78,614.96 and 34,304.87

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Solution

The fourth proportional to 57,005.28, 78,614.96 and 34,304.87 is: 47,309.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,005.28 : 78,614.96 = 34,304.87 : x
  2. Step 2: Convert to fraction form
    57,005.28/78,614.96 = 34,304.87/x
  3. Step 3: Cross multiply
    57,005.28x = 78,614.96 × 34,304.87
  4. Step 4: Simplify right side
    57,005.28x = 2,696,875,418.26
  5. Step 5: Solve for x
    x = 2,696,875,418.26/57,005.28
  6. Step 6: Final answer
    x = 47,309.22

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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.