Home / 48,209.10-72,313.65-34,212.30

Finding the Fourth Proportional to 48,209.10, 72,313.65 and 34,212.30

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Solution

The fourth proportional to 48,209.10, 72,313.65 and 34,212.30 is: 51,318.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,209.10 : 72,313.65 = 34,212.30 : x
  2. Step 2: Convert to fraction form
    48,209.10/72,313.65 = 34,212.30/x
  3. Step 3: Cross multiply
    48,209.10x = 72,313.65 × 34,212.30
  4. Step 4: Simplify right side
    48,209.10x = 2,474,016,287.90
  5. Step 5: Solve for x
    x = 2,474,016,287.90/48,209.10
  6. Step 6: Final answer
    x = 51,318.45

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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.