Home / 48,165.23-72,240.56-13,107.62

Finding the Fourth Proportional to 48,165.23, 72,240.56 and 13,107.62

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Solution

The fourth proportional to 48,165.23, 72,240.56 and 13,107.62 is: 19,659.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,165.23 : 72,240.56 = 13,107.62 : x
  2. Step 2: Convert to fraction form
    48,165.23/72,240.56 = 13,107.62/x
  3. Step 3: Cross multiply
    48,165.23x = 72,240.56 × 13,107.62
  4. Step 4: Simplify right side
    48,165.23x = 946,901,743.53
  5. Step 5: Solve for x
    x = 946,901,743.53/48,165.23
  6. Step 6: Final answer
    x = 19,659.45

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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.