Home / 48,001.70-72,002.55-42,817.70

Finding the Fourth Proportional to 48,001.70, 72,002.55 and 42,817.70

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Solution

The fourth proportional to 48,001.70, 72,002.55 and 42,817.70 is: 64,226.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,001.70 : 72,002.55 = 42,817.70 : x
  2. Step 2: Convert to fraction form
    48,001.70/72,002.55 = 42,817.70/x
  3. Step 3: Cross multiply
    48,001.70x = 72,002.55 × 42,817.70
  4. Step 4: Simplify right side
    48,001.70x = 3,082,983,585.14
  5. Step 5: Solve for x
    x = 3,082,983,585.14/48,001.70
  6. Step 6: Final answer
    x = 64,226.55

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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.