Home / 42,162.66-63,237.06-15,139.41

Finding the Fourth Proportional to 42,162.66, 63,237.06 and 15,139.41

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Solution

The fourth proportional to 42,162.66, 63,237.06 and 15,139.41 is: 22,706.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,162.66 : 63,237.06 = 15,139.41 : x
  2. Step 2: Convert to fraction form
    42,162.66/63,237.06 = 15,139.41/x
  3. Step 3: Cross multiply
    42,162.66x = 63,237.06 × 15,139.41
  4. Step 4: Simplify right side
    42,162.66x = 957,371,778.53
  5. Step 5: Solve for x
    x = 957,371,778.53/42,162.66
  6. Step 6: Final answer
    x = 22,706.63

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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.