Home / 48,788.12-67,349.94-28,641.80

Finding the Fourth Proportional to 48,788.12, 67,349.94 and 28,641.80

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Solution

The fourth proportional to 48,788.12, 67,349.94 and 28,641.80 is: 39,538.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,788.12 : 67,349.94 = 28,641.80 : x
  2. Step 2: Convert to fraction form
    48,788.12/67,349.94 = 28,641.80/x
  3. Step 3: Cross multiply
    48,788.12x = 67,349.94 × 28,641.80
  4. Step 4: Simplify right side
    48,788.12x = 1,929,023,511.49
  5. Step 5: Solve for x
    x = 1,929,023,511.49/48,788.12
  6. Step 6: Final answer
    x = 39,538.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.