Home / 47,060.90-70,586.18-13,781.30

Finding the Fourth Proportional to 47,060.90, 70,586.18 and 13,781.30

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Solution

The fourth proportional to 47,060.90, 70,586.18 and 13,781.30 is: 20,670.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,060.90 : 70,586.18 = 13,781.30 : x
  2. Step 2: Convert to fraction form
    47,060.90/70,586.18 = 13,781.30/x
  3. Step 3: Cross multiply
    47,060.90x = 70,586.18 × 13,781.30
  4. Step 4: Simplify right side
    47,060.90x = 972,769,322.43
  5. Step 5: Solve for x
    x = 972,769,322.43/47,060.90
  6. Step 6: Final answer
    x = 20,670.44

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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.