Home / 48,144.68-72,218.50-13,085.08

Finding the Fourth Proportional to 48,144.68, 72,218.50 and 13,085.08

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Solution

The fourth proportional to 48,144.68, 72,218.50 and 13,085.08 is: 19,628.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,144.68 : 72,218.50 = 13,085.08 : x
  2. Step 2: Convert to fraction form
    48,144.68/72,218.50 = 13,085.08/x
  3. Step 3: Cross multiply
    48,144.68x = 72,218.50 × 13,085.08
  4. Step 4: Simplify right side
    48,144.68x = 944,984,849.98
  5. Step 5: Solve for x
    x = 944,984,849.98/48,144.68
  6. Step 6: Final answer
    x = 19,628.02

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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.