Home / 42,032.78-63,032.76-18,347.57

Finding the Fourth Proportional to 42,032.78, 63,032.76 and 18,347.57

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Solution

The fourth proportional to 42,032.78, 63,032.76 and 18,347.57 is: 27,514.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,032.78 : 63,032.76 = 18,347.57 : x
  2. Step 2: Convert to fraction form
    42,032.78/63,032.76 = 18,347.57/x
  3. Step 3: Cross multiply
    42,032.78x = 63,032.76 × 18,347.57
  4. Step 4: Simplify right side
    42,032.78x = 1,156,497,976.39
  5. Step 5: Solve for x
    x = 1,156,497,976.39/42,032.78
  6. Step 6: Final answer
    x = 27,514.19

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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.