Home / 48,126.18-72,154.98-18,519.06

Finding the Fourth Proportional to 48,126.18, 72,154.98 and 18,519.06

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Solution

The fourth proportional to 48,126.18, 72,154.98 and 18,519.06 is: 27,765.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,126.18 : 72,154.98 = 18,519.06 : x
  2. Step 2: Convert to fraction form
    48,126.18/72,154.98 = 18,519.06/x
  3. Step 3: Cross multiply
    48,126.18x = 72,154.98 × 18,519.06
  4. Step 4: Simplify right side
    48,126.18x = 1,336,242,403.92
  5. Step 5: Solve for x
    x = 1,336,242,403.92/48,126.18
  6. Step 6: Final answer
    x = 27,765.40

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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.