Home / 42,073.92-63,110.88-12,492.36

Finding the Fourth Proportional to 42,073.92, 63,110.88 and 12,492.36

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Solution

The fourth proportional to 42,073.92, 63,110.88 and 12,492.36 is: 18,738.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,073.92 : 63,110.88 = 12,492.36 : x
  2. Step 2: Convert to fraction form
    42,073.92/63,110.88 = 12,492.36/x
  3. Step 3: Cross multiply
    42,073.92x = 63,110.88 × 12,492.36
  4. Step 4: Simplify right side
    42,073.92x = 788,403,832.88
  5. Step 5: Solve for x
    x = 788,403,832.88/42,073.92
  6. Step 6: Final answer
    x = 18,738.54

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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.