Home / 48,138.30-72,207.45-14,855.40

Finding the Fourth Proportional to 48,138.30, 72,207.45 and 14,855.40

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Solution

The fourth proportional to 48,138.30, 72,207.45 and 14,855.40 is: 22,283.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,138.30 : 72,207.45 = 14,855.40 : x
  2. Step 2: Convert to fraction form
    48,138.30/72,207.45 = 14,855.40/x
  3. Step 3: Cross multiply
    48,138.30x = 72,207.45 × 14,855.40
  4. Step 4: Simplify right side
    48,138.30x = 1,072,670,552.73
  5. Step 5: Solve for x
    x = 1,072,670,552.73/48,138.30
  6. Step 6: Final answer
    x = 22,283.10

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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.