Home / 45,050.16-67,517.72-21,357.66

Finding the Fourth Proportional to 45,050.16, 67,517.72 and 21,357.66

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Solution

The fourth proportional to 45,050.16, 67,517.72 and 21,357.66 is: 32,009.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,050.16 : 67,517.72 = 21,357.66 : x
  2. Step 2: Convert to fraction form
    45,050.16/67,517.72 = 21,357.66/x
  3. Step 3: Cross multiply
    45,050.16x = 67,517.72 × 21,357.66
  4. Step 4: Simplify right side
    45,050.16x = 1,442,020,507.74
  5. Step 5: Solve for x
    x = 1,442,020,507.74/45,050.16
  6. Step 6: Final answer
    x = 32,009.22

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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.