Home / 42,446.41-63,669.54-11,281.66

Finding the Fourth Proportional to 42,446.41, 63,669.54 and 11,281.66

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Solution

The fourth proportional to 42,446.41, 63,669.54 and 11,281.66 is: 16,922.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,446.41 : 63,669.54 = 11,281.66 : x
  2. Step 2: Convert to fraction form
    42,446.41/63,669.54 = 11,281.66/x
  3. Step 3: Cross multiply
    42,446.41x = 63,669.54 × 11,281.66
  4. Step 4: Simplify right side
    42,446.41x = 718,297,985.77
  5. Step 5: Solve for x
    x = 718,297,985.77/42,446.41
  6. Step 6: Final answer
    x = 16,922.47

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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.