Home / 42,470.69-63,706.04-12,484.92

Finding the Fourth Proportional to 42,470.69, 63,706.04 and 12,484.92

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Solution

The fourth proportional to 42,470.69, 63,706.04 and 12,484.92 is: 18,727.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,470.69 : 63,706.04 = 12,484.92 : x
  2. Step 2: Convert to fraction form
    42,470.69/63,706.04 = 12,484.92/x
  3. Step 3: Cross multiply
    42,470.69x = 63,706.04 × 12,484.92
  4. Step 4: Simplify right side
    42,470.69x = 795,364,750.49
  5. Step 5: Solve for x
    x = 795,364,750.49/42,470.69
  6. Step 6: Final answer
    x = 18,727.38

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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.