Home / 74,549.92-111,824.88-19,145.92

Finding the Fourth Proportional to 74,549.92, 111,824.88 and 19,145.92

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Solution

The fourth proportional to 74,549.92, 111,824.88 and 19,145.92 is: 28,718.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,549.92 : 111,824.88 = 19,145.92 : x
  2. Step 2: Convert to fraction form
    74,549.92/111,824.88 = 19,145.92/x
  3. Step 3: Cross multiply
    74,549.92x = 111,824.88 × 19,145.92
  4. Step 4: Simplify right side
    74,549.92x = 2,140,990,206.49
  5. Step 5: Solve for x
    x = 2,140,990,206.49/74,549.92
  6. Step 6: Final answer
    x = 28,718.88

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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.