Home / 42,760.08-64,141.08-14,679.92

Finding the Fourth Proportional to 42,760.08, 64,141.08 and 14,679.92

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Solution

The fourth proportional to 42,760.08, 64,141.08 and 14,679.92 is: 22,020.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,760.08 : 64,141.08 = 14,679.92 : x
  2. Step 2: Convert to fraction form
    42,760.08/64,141.08 = 14,679.92/x
  3. Step 3: Cross multiply
    42,760.08x = 64,141.08 × 14,679.92
  4. Step 4: Simplify right side
    42,760.08x = 941,585,923.11
  5. Step 5: Solve for x
    x = 941,585,923.11/42,760.08
  6. Step 6: Final answer
    x = 22,020.21

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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.