Home / 42,613.76-63,946.40-17,654.40

Finding the Fourth Proportional to 42,613.76, 63,946.40 and 17,654.40

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Solution

The fourth proportional to 42,613.76, 63,946.40 and 17,654.40 is: 26,492.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,613.76 : 63,946.40 = 17,654.40 : x
  2. Step 2: Convert to fraction form
    42,613.76/63,946.40 = 17,654.40/x
  3. Step 3: Cross multiply
    42,613.76x = 63,946.40 × 17,654.40
  4. Step 4: Simplify right side
    42,613.76x = 1,128,935,324.16
  5. Step 5: Solve for x
    x = 1,128,935,324.16/42,613.76
  6. Step 6: Final answer
    x = 26,492.27

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1.5x scale

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.