Home / 39,023.52-58,540.98-12,721.80

Finding the Fourth Proportional to 39,023.52, 58,540.98 and 12,721.80

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Solution

The fourth proportional to 39,023.52, 58,540.98 and 12,721.80 is: 19,084.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,023.52 : 58,540.98 = 12,721.80 : x
  2. Step 2: Convert to fraction form
    39,023.52/58,540.98 = 12,721.80/x
  3. Step 3: Cross multiply
    39,023.52x = 58,540.98 × 12,721.80
  4. Step 4: Simplify right side
    39,023.52x = 744,746,639.36
  5. Step 5: Solve for x
    x = 744,746,639.36/39,023.52
  6. Step 6: Final answer
    x = 19,084.56

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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.