Home / 42,268.80-63,401.03-14,189.07

Finding the Fourth Proportional to 42,268.80, 63,401.03 and 14,189.07

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Solution

The fourth proportional to 42,268.80, 63,401.03 and 14,189.07 is: 21,282.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,268.80 : 63,401.03 = 14,189.07 : x
  2. Step 2: Convert to fraction form
    42,268.80/63,401.03 = 14,189.07/x
  3. Step 3: Cross multiply
    42,268.80x = 63,401.03 × 14,189.07
  4. Step 4: Simplify right side
    42,268.80x = 899,601,872.76
  5. Step 5: Solve for x
    x = 899,601,872.76/42,268.80
  6. Step 6: Final answer
    x = 21,282.88

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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.