Home / 40,008.72-60,013.06-13,713.68

Finding the Fourth Proportional to 40,008.72, 60,013.06 and 13,713.68

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Solution

The fourth proportional to 40,008.72, 60,013.06 and 13,713.68 is: 20,570.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,008.72 : 60,013.06 = 13,713.68 : x
  2. Step 2: Convert to fraction form
    40,008.72/60,013.06 = 13,713.68/x
  3. Step 3: Cross multiply
    40,008.72x = 60,013.06 × 13,713.68
  4. Step 4: Simplify right side
    40,008.72x = 822,999,900.66
  5. Step 5: Solve for x
    x = 822,999,900.66/40,008.72
  6. Step 6: Final answer
    x = 20,570.51

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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.