Home / 42,189.15-63,296.43-12,607.95

Finding the Fourth Proportional to 42,189.15, 63,296.43 and 12,607.95

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Solution

The fourth proportional to 42,189.15, 63,296.43 and 12,607.95 is: 18,915.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,189.15 : 63,296.43 = 12,607.95 : x
  2. Step 2: Convert to fraction form
    42,189.15/63,296.43 = 12,607.95/x
  3. Step 3: Cross multiply
    42,189.15x = 63,296.43 × 12,607.95
  4. Step 4: Simplify right side
    42,189.15x = 798,038,224.62
  5. Step 5: Solve for x
    x = 798,038,224.62/42,189.15
  6. Step 6: Final answer
    x = 18,915.72

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.