Home / 51,330.13-70,835.11-28,359.92

Finding the Fourth Proportional to 51,330.13, 70,835.11 and 28,359.92

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Solution

The fourth proportional to 51,330.13, 70,835.11 and 28,359.92 is: 39,136.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,330.13 : 70,835.11 = 28,359.92 : x
  2. Step 2: Convert to fraction form
    51,330.13/70,835.11 = 28,359.92/x
  3. Step 3: Cross multiply
    51,330.13x = 70,835.11 × 28,359.92
  4. Step 4: Simplify right side
    51,330.13x = 2,008,878,052.79
  5. Step 5: Solve for x
    x = 2,008,878,052.79/51,330.13
  6. Step 6: Final answer
    x = 39,136.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.