Home / 72,252.40-108,378.76-38,988.14

Finding the Fourth Proportional to 72,252.40, 108,378.76 and 38,988.14

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Solution

The fourth proportional to 72,252.40, 108,378.76 and 38,988.14 is: 58,482.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,252.40 : 108,378.76 = 38,988.14 : x
  2. Step 2: Convert to fraction form
    72,252.40/108,378.76 = 38,988.14/x
  3. Step 3: Cross multiply
    72,252.40x = 108,378.76 × 38,988.14
  4. Step 4: Simplify right side
    72,252.40x = 4,225,486,267.91
  5. Step 5: Solve for x
    x = 4,225,486,267.91/72,252.40
  6. Step 6: Final answer
    x = 58,482.30

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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.