Home / 42,373.32-63,545.04-12,783.48

Finding the Fourth Proportional to 42,373.32, 63,545.04 and 12,783.48

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Solution

The fourth proportional to 42,373.32, 63,545.04 and 12,783.48 is: 19,170.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,373.32 : 63,545.04 = 12,783.48 : x
  2. Step 2: Convert to fraction form
    42,373.32/63,545.04 = 12,783.48/x
  3. Step 3: Cross multiply
    42,373.32x = 63,545.04 × 12,783.48
  4. Step 4: Simplify right side
    42,373.32x = 812,326,747.94
  5. Step 5: Solve for x
    x = 812,326,747.94/42,373.32
  6. Step 6: Final answer
    x = 19,170.71

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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.