Home / 45,326.42-67,966.26-20,345.04

Finding the Fourth Proportional to 45,326.42, 67,966.26 and 20,345.04

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Solution

The fourth proportional to 45,326.42, 67,966.26 and 20,345.04 is: 30,507.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,326.42 : 67,966.26 = 20,345.04 : x
  2. Step 2: Convert to fraction form
    45,326.42/67,966.26 = 20,345.04/x
  3. Step 3: Cross multiply
    45,326.42x = 67,966.26 × 20,345.04
  4. Step 4: Simplify right side
    45,326.42x = 1,382,776,278.35
  5. Step 5: Solve for x
    x = 1,382,776,278.35/45,326.42
  6. Step 6: Final answer
    x = 30,507.07

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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.