Home / 72,000.23-108,003.07-27,631.46

Finding the Fourth Proportional to 72,000.23, 108,003.07 and 27,631.46

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Solution

The fourth proportional to 72,000.23, 108,003.07 and 27,631.46 is: 41,448.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,000.23 : 108,003.07 = 27,631.46 : x
  2. Step 2: Convert to fraction form
    72,000.23/108,003.07 = 27,631.46/x
  3. Step 3: Cross multiply
    72,000.23x = 108,003.07 × 27,631.46
  4. Step 4: Simplify right side
    72,000.23x = 2,984,282,813.13
  5. Step 5: Solve for x
    x = 2,984,282,813.13/72,000.23
  6. Step 6: Final answer
    x = 41,448.24

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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.