Home / 38,440.34-57,674.28-13,487.30

Finding the Fourth Proportional to 38,440.34, 57,674.28 and 13,487.30

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Solution

The fourth proportional to 38,440.34, 57,674.28 and 13,487.30 is: 20,235.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,440.34 : 57,674.28 = 13,487.30 : x
  2. Step 2: Convert to fraction form
    38,440.34/57,674.28 = 13,487.30/x
  3. Step 3: Cross multiply
    38,440.34x = 57,674.28 × 13,487.30
  4. Step 4: Simplify right side
    38,440.34x = 777,870,316.64
  5. Step 5: Solve for x
    x = 777,870,316.64/38,440.34
  6. Step 6: Final answer
    x = 20,235.78

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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.