Home / 42,473.60-63,718.43-14,012.18

Finding the Fourth Proportional to 42,473.60, 63,718.43 and 14,012.18

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Solution

The fourth proportional to 42,473.60, 63,718.43 and 14,012.18 is: 21,020.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,473.60 : 63,718.43 = 14,012.18 : x
  2. Step 2: Convert to fraction form
    42,473.60/63,718.43 = 14,012.18/x
  3. Step 3: Cross multiply
    42,473.60x = 63,718.43 × 14,012.18
  4. Step 4: Simplify right side
    42,473.60x = 892,833,721.82
  5. Step 5: Solve for x
    x = 892,833,721.82/42,473.60
  6. Step 6: Final answer
    x = 21,020.91

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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.