Home / 42,524.76-63,768.70-12,935.77

Finding the Fourth Proportional to 42,524.76, 63,768.70 and 12,935.77

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Solution

The fourth proportional to 42,524.76, 63,768.70 and 12,935.77 is: 19,398.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,524.76 : 63,768.70 = 12,935.77 : x
  2. Step 2: Convert to fraction form
    42,524.76/63,768.70 = 12,935.77/x
  3. Step 3: Cross multiply
    42,524.76x = 63,768.70 × 12,935.77
  4. Step 4: Simplify right side
    42,524.76x = 824,897,093.15
  5. Step 5: Solve for x
    x = 824,897,093.15/42,524.76
  6. Step 6: Final answer
    x = 19,398.04

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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.