Home / 42,666.35-63,951.83-15,986.67

Finding the Fourth Proportional to 42,666.35, 63,951.83 and 15,986.67

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Solution

The fourth proportional to 42,666.35, 63,951.83 and 15,986.67 is: 23,962.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,666.35 : 63,951.83 = 15,986.67 : x
  2. Step 2: Convert to fraction form
    42,666.35/63,951.83 = 15,986.67/x
  3. Step 3: Cross multiply
    42,666.35x = 63,951.83 × 15,986.67
  4. Step 4: Simplify right side
    42,666.35x = 1,022,376,542.30
  5. Step 5: Solve for x
    x = 1,022,376,542.30/42,666.35
  6. Step 6: Final answer
    x = 23,962.13

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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.