Home / 42,237.18-63,357.87-12,652.19

Finding the Fourth Proportional to 42,237.18, 63,357.87 and 12,652.19

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Solution

The fourth proportional to 42,237.18, 63,357.87 and 12,652.19 is: 18,978.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,237.18 : 63,357.87 = 12,652.19 : x
  2. Step 2: Convert to fraction form
    42,237.18/63,357.87 = 12,652.19/x
  3. Step 3: Cross multiply
    42,237.18x = 63,357.87 × 12,652.19
  4. Step 4: Simplify right side
    42,237.18x = 801,615,745.97
  5. Step 5: Solve for x
    x = 801,615,745.97/42,237.18
  6. Step 6: Final answer
    x = 18,978.91

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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.