Home / 42,484.26-63,722.25-12,902.35

Finding the Fourth Proportional to 42,484.26, 63,722.25 and 12,902.35

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Solution

The fourth proportional to 42,484.26, 63,722.25 and 12,902.35 is: 19,352.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,484.26 : 63,722.25 = 12,902.35 : x
  2. Step 2: Convert to fraction form
    42,484.26/63,722.25 = 12,902.35/x
  3. Step 3: Cross multiply
    42,484.26x = 63,722.25 × 12,902.35
  4. Step 4: Simplify right side
    42,484.26x = 822,166,772.29
  5. Step 5: Solve for x
    x = 822,166,772.29/42,484.26
  6. Step 6: Final answer
    x = 19,352.27

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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.