Home / 39,929.85-59,894.78-18,862.97

Finding the Fourth Proportional to 39,929.85, 59,894.78 and 18,862.97

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Solution

The fourth proportional to 39,929.85, 59,894.78 and 18,862.97 is: 28,294.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,929.85 : 59,894.78 = 18,862.97 : x
  2. Step 2: Convert to fraction form
    39,929.85/59,894.78 = 18,862.97/x
  3. Step 3: Cross multiply
    39,929.85x = 59,894.78 × 18,862.97
  4. Step 4: Simplify right side
    39,929.85x = 1,129,793,044.51
  5. Step 5: Solve for x
    x = 1,129,793,044.51/39,929.85
  6. Step 6: Final answer
    x = 28,294.45

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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.