Home / 42,462.04-63,702.32-12,882.18

Finding the Fourth Proportional to 42,462.04, 63,702.32 and 12,882.18

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Solution

The fourth proportional to 42,462.04, 63,702.32 and 12,882.18 is: 19,326.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,462.04 : 63,702.32 = 12,882.18 : x
  2. Step 2: Convert to fraction form
    42,462.04/63,702.32 = 12,882.18/x
  3. Step 3: Cross multiply
    42,462.04x = 63,702.32 × 12,882.18
  4. Step 4: Simplify right side
    42,462.04x = 820,624,752.66
  5. Step 5: Solve for x
    x = 820,624,752.66/42,462.04
  6. Step 6: Final answer
    x = 19,326.08

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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.