Home / 42,079.42-63,122.64-12,093.76

Finding the Fourth Proportional to 42,079.42, 63,122.64 and 12,093.76

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Solution

The fourth proportional to 42,079.42, 63,122.64 and 12,093.76 is: 18,141.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,079.42 : 63,122.64 = 12,093.76 : x
  2. Step 2: Convert to fraction form
    42,079.42/63,122.64 = 12,093.76/x
  3. Step 3: Cross multiply
    42,079.42x = 63,122.64 × 12,093.76
  4. Step 4: Simplify right side
    42,079.42x = 763,390,058.73
  5. Step 5: Solve for x
    x = 763,390,058.73/42,079.42
  6. Step 6: Final answer
    x = 18,141.65

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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.