Home / 42,278.40-63,424.80-14,201.16

Finding the Fourth Proportional to 42,278.40, 63,424.80 and 14,201.16

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Solution

The fourth proportional to 42,278.40, 63,424.80 and 14,201.16 is: 21,304.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,278.40 : 63,424.80 = 14,201.16 : x
  2. Step 2: Convert to fraction form
    42,278.40/63,424.80 = 14,201.16/x
  3. Step 3: Cross multiply
    42,278.40x = 63,424.80 × 14,201.16
  4. Step 4: Simplify right side
    42,278.40x = 900,705,732.77
  5. Step 5: Solve for x
    x = 900,705,732.77/42,278.40
  6. Step 6: Final answer
    x = 21,304.16

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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.