Home / 42,778.76-64,149.72-14,701.62

Finding the Fourth Proportional to 42,778.76, 64,149.72 and 14,701.62

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Solution

The fourth proportional to 42,778.76, 64,149.72 and 14,701.62 is: 22,046.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,778.76 : 64,149.72 = 14,701.62 : x
  2. Step 2: Convert to fraction form
    42,778.76/64,149.72 = 14,701.62/x
  3. Step 3: Cross multiply
    42,778.76x = 64,149.72 × 14,701.62
  4. Step 4: Simplify right side
    42,778.76x = 943,104,806.55
  5. Step 5: Solve for x
    x = 943,104,806.55/42,778.76
  6. Step 6: Final answer
    x = 22,046.10

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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.