Home / 42,953.28-64,414.48-14,865.71

Finding the Fourth Proportional to 42,953.28, 64,414.48 and 14,865.71

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Solution

The fourth proportional to 42,953.28, 64,414.48 and 14,865.71 is: 22,293.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,953.28 : 64,414.48 = 14,865.71 : x
  2. Step 2: Convert to fraction form
    42,953.28/64,414.48 = 14,865.71/x
  3. Step 3: Cross multiply
    42,953.28x = 64,414.48 × 14,865.71
  4. Step 4: Simplify right side
    42,953.28x = 957,566,979.48
  5. Step 5: Solve for x
    x = 957,566,979.48/42,953.28
  6. Step 6: Final answer
    x = 22,293.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.