Home / 40,109.96-60,146.22-15,130.76

Finding the Fourth Proportional to 40,109.96, 60,146.22 and 15,130.76

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Solution

The fourth proportional to 40,109.96, 60,146.22 and 15,130.76 is: 22,689.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,109.96 : 60,146.22 = 15,130.76 : x
  2. Step 2: Convert to fraction form
    40,109.96/60,146.22 = 15,130.76/x
  3. Step 3: Cross multiply
    40,109.96x = 60,146.22 × 15,130.76
  4. Step 4: Simplify right side
    40,109.96x = 910,058,019.73
  5. Step 5: Solve for x
    x = 910,058,019.73/40,109.96
  6. Step 6: Final answer
    x = 22,689.08

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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.