Home / 42,169.06-63,253.59-17,220.85

Finding the Fourth Proportional to 42,169.06, 63,253.59 and 17,220.85

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Solution

The fourth proportional to 42,169.06, 63,253.59 and 17,220.85 is: 25,831.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,169.06 : 63,253.59 = 17,220.85 : x
  2. Step 2: Convert to fraction form
    42,169.06/63,253.59 = 17,220.85/x
  3. Step 3: Cross multiply
    42,169.06x = 63,253.59 × 17,220.85
  4. Step 4: Simplify right side
    42,169.06x = 1,089,280,815.31
  5. Step 5: Solve for x
    x = 1,089,280,815.31/42,169.06
  6. Step 6: Final answer
    x = 25,831.28

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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.