Home / 42,001.20-63,001.80-26,449.20

Finding the Fourth Proportional to 42,001.20, 63,001.80 and 26,449.20

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Solution

The fourth proportional to 42,001.20, 63,001.80 and 26,449.20 is: 39,673.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,001.20 : 63,001.80 = 26,449.20 : x
  2. Step 2: Convert to fraction form
    42,001.20/63,001.80 = 26,449.20/x
  3. Step 3: Cross multiply
    42,001.20x = 63,001.80 × 26,449.20
  4. Step 4: Simplify right side
    42,001.20x = 1,666,347,208.56
  5. Step 5: Solve for x
    x = 1,666,347,208.56/42,001.20
  6. Step 6: Final answer
    x = 39,673.80

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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.