Home / 48,422.28-72,769.50-28,703.64

Finding the Fourth Proportional to 48,422.28, 72,769.50 and 28,703.64

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Solution

The fourth proportional to 48,422.28, 72,769.50 and 28,703.64 is: 43,136.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,422.28 : 72,769.50 = 28,703.64 : x
  2. Step 2: Convert to fraction form
    48,422.28/72,769.50 = 28,703.64/x
  3. Step 3: Cross multiply
    48,422.28x = 72,769.50 × 28,703.64
  4. Step 4: Simplify right side
    48,422.28x = 2,088,749,530.98
  5. Step 5: Solve for x
    x = 2,088,749,530.98/48,422.28
  6. Step 6: Final answer
    x = 43,136.13

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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.