Home / 42,001.03-63,001.55-14,299.03

Finding the Fourth Proportional to 42,001.03, 63,001.55 and 14,299.03

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Solution

The fourth proportional to 42,001.03, 63,001.55 and 14,299.03 is: 21,448.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,001.03 : 63,001.55 = 14,299.03 : x
  2. Step 2: Convert to fraction form
    42,001.03/63,001.55 = 14,299.03/x
  3. Step 3: Cross multiply
    42,001.03x = 63,001.55 × 14,299.03
  4. Step 4: Simplify right side
    42,001.03x = 900,861,087.56
  5. Step 5: Solve for x
    x = 900,861,087.56/42,001.03
  6. Step 6: Final answer
    x = 21,448.55

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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.