Home / 70,042.28-96,649.94-39,827.72

Finding the Fourth Proportional to 70,042.28, 96,649.94 and 39,827.72

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Solution

The fourth proportional to 70,042.28, 96,649.94 and 39,827.72 is: 54,957.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,042.28 : 96,649.94 = 39,827.72 : x
  2. Step 2: Convert to fraction form
    70,042.28/96,649.94 = 39,827.72/x
  3. Step 3: Cross multiply
    70,042.28x = 96,649.94 × 39,827.72
  4. Step 4: Simplify right side
    70,042.28x = 3,849,346,748.34
  5. Step 5: Solve for x
    x = 3,849,346,748.34/70,042.28
  6. Step 6: Final answer
    x = 54,957.47

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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.