Home / 48,459.48-72,689.76-15,178.20

Finding the Fourth Proportional to 48,459.48, 72,689.76 and 15,178.20

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Solution

The fourth proportional to 48,459.48, 72,689.76 and 15,178.20 is: 22,767.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,459.48 : 72,689.76 = 15,178.20 : x
  2. Step 2: Convert to fraction form
    48,459.48/72,689.76 = 15,178.20/x
  3. Step 3: Cross multiply
    48,459.48x = 72,689.76 × 15,178.20
  4. Step 4: Simplify right side
    48,459.48x = 1,103,299,715.23
  5. Step 5: Solve for x
    x = 1,103,299,715.23/48,459.48
  6. Step 6: Final answer
    x = 22,767.47

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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.