Home / 42,209.10-63,313.65-15,914.70

Finding the Fourth Proportional to 42,209.10, 63,313.65 and 15,914.70

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Solution

The fourth proportional to 42,209.10, 63,313.65 and 15,914.70 is: 23,872.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,209.10 : 63,313.65 = 15,914.70 : x
  2. Step 2: Convert to fraction form
    42,209.10/63,313.65 = 15,914.70/x
  3. Step 3: Cross multiply
    42,209.10x = 63,313.65 × 15,914.70
  4. Step 4: Simplify right side
    42,209.10x = 1,007,617,745.66
  5. Step 5: Solve for x
    x = 1,007,617,745.66/42,209.10
  6. Step 6: Final answer
    x = 23,872.05

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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.