Home / 42,195.08-63,277.10-12,602.84

Finding the Fourth Proportional to 42,195.08, 63,277.10 and 12,602.84

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Solution

The fourth proportional to 42,195.08, 63,277.10 and 12,602.84 is: 18,899.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,195.08 : 63,277.10 = 12,602.84 : x
  2. Step 2: Convert to fraction form
    42,195.08/63,277.10 = 12,602.84/x
  3. Step 3: Cross multiply
    42,195.08x = 63,277.10 × 12,602.84
  4. Step 4: Simplify right side
    42,195.08x = 797,471,166.96
  5. Step 5: Solve for x
    x = 797,471,166.96/42,195.08
  6. Step 6: Final answer
    x = 18,899.62

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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.