Home / 31,104.78-42,925.26-16,957.74

Finding the Fourth Proportional to 31,104.78, 42,925.26 and 16,957.74

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Solution

The fourth proportional to 31,104.78, 42,925.26 and 16,957.74 is: 23,402.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,104.78 : 42,925.26 = 16,957.74 : x
  2. Step 2: Convert to fraction form
    31,104.78/42,925.26 = 16,957.74/x
  3. Step 3: Cross multiply
    31,104.78x = 42,925.26 × 16,957.74
  4. Step 4: Simplify right side
    31,104.78x = 727,915,398.51
  5. Step 5: Solve for x
    x = 727,915,398.51/31,104.78
  6. Step 6: Final answer
    x = 23,402.04

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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.