Home / 45,050.15-67,517.71-21,357.65

Finding the Fourth Proportional to 45,050.15, 67,517.71 and 21,357.65

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Solution

The fourth proportional to 45,050.15, 67,517.71 and 21,357.65 is: 32,009.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,050.15 : 67,517.71 = 21,357.65 : x
  2. Step 2: Convert to fraction form
    45,050.15/67,517.71 = 21,357.65/x
  3. Step 3: Cross multiply
    45,050.15x = 67,517.71 × 21,357.65
  4. Step 4: Simplify right side
    45,050.15x = 1,442,019,618.98
  5. Step 5: Solve for x
    x = 1,442,019,618.98/45,050.15
  6. Step 6: Final answer
    x = 32,009.21

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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.