Home / 83,377.08-125,065.98-21,047.58

Finding the Fourth Proportional to 83,377.08, 125,065.98 and 21,047.58

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Solution

The fourth proportional to 83,377.08, 125,065.98 and 21,047.58 is: 31,571.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,377.08 : 125,065.98 = 21,047.58 : x
  2. Step 2: Convert to fraction form
    83,377.08/125,065.98 = 21,047.58/x
  3. Step 3: Cross multiply
    83,377.08x = 125,065.98 × 21,047.58
  4. Step 4: Simplify right side
    83,377.08x = 2,632,336,219.33
  5. Step 5: Solve for x
    x = 2,632,336,219.33/83,377.08
  6. Step 6: Final answer
    x = 31,571.46

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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.