Home / 48,145.13-72,234.79-21,488.69

Finding the Fourth Proportional to 48,145.13, 72,234.79 and 21,488.69

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Solution

The fourth proportional to 48,145.13, 72,234.79 and 21,488.69 is: 32,240.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,145.13 : 72,234.79 = 21,488.69 : x
  2. Step 2: Convert to fraction form
    48,145.13/72,234.79 = 21,488.69/x
  3. Step 3: Cross multiply
    48,145.13x = 72,234.79 × 21,488.69
  4. Step 4: Simplify right side
    48,145.13x = 1,552,231,136.39
  5. Step 5: Solve for x
    x = 1,552,231,136.39/48,145.13
  6. Step 6: Final answer
    x = 32,240.66

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1.5x scale

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.