Home / 42,152.60-63,260.08-19,966.03

Finding the Fourth Proportional to 42,152.60, 63,260.08 and 19,966.03

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Solution

The fourth proportional to 42,152.60, 63,260.08 and 19,966.03 is: 29,963.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,152.60 : 63,260.08 = 19,966.03 : x
  2. Step 2: Convert to fraction form
    42,152.60/63,260.08 = 19,966.03/x
  3. Step 3: Cross multiply
    42,152.60x = 63,260.08 × 19,966.03
  4. Step 4: Simplify right side
    42,152.60x = 1,263,052,447.02
  5. Step 5: Solve for x
    x = 1,263,052,447.02/42,152.60
  6. Step 6: Final answer
    x = 29,963.81

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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.