Home / 42,819.85-64,248.14-16,542.91

Finding the Fourth Proportional to 42,819.85, 64,248.14 and 16,542.91

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Solution

The fourth proportional to 42,819.85, 64,248.14 and 16,542.91 is: 24,821.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,819.85 : 64,248.14 = 16,542.91 : x
  2. Step 2: Convert to fraction form
    42,819.85/64,248.14 = 16,542.91/x
  3. Step 3: Cross multiply
    42,819.85x = 64,248.14 × 16,542.91
  4. Step 4: Simplify right side
    42,819.85x = 1,062,851,197.69
  5. Step 5: Solve for x
    x = 1,062,851,197.69/42,819.85
  6. Step 6: Final answer
    x = 24,821.46

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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.