Home / 39,234.60-58,830.30-12,925.80

Finding the Fourth Proportional to 39,234.60, 58,830.30 and 12,925.80

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Solution

The fourth proportional to 39,234.60, 58,830.30 and 12,925.80 is: 19,381.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,234.60 : 58,830.30 = 12,925.80 : x
  2. Step 2: Convert to fraction form
    39,234.60/58,830.30 = 12,925.80/x
  3. Step 3: Cross multiply
    39,234.60x = 58,830.30 × 12,925.80
  4. Step 4: Simplify right side
    39,234.60x = 760,428,691.74
  5. Step 5: Solve for x
    x = 760,428,691.74/39,234.60
  6. Step 6: Final answer
    x = 19,381.58

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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.