Home / 42,295.68-63,431.68-12,711.04

Finding the Fourth Proportional to 42,295.68, 63,431.68 and 12,711.04

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Solution

The fourth proportional to 42,295.68, 63,431.68 and 12,711.04 is: 19,063.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,295.68 : 63,431.68 = 12,711.04 : x
  2. Step 2: Convert to fraction form
    42,295.68/63,431.68 = 12,711.04/x
  3. Step 3: Cross multiply
    42,295.68x = 63,431.68 × 12,711.04
  4. Step 4: Simplify right side
    42,295.68x = 806,282,621.75
  5. Step 5: Solve for x
    x = 806,282,621.75/42,295.68
  6. Step 6: Final answer
    x = 19,063.00

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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.