Home / 45,326.58-67,966.50-20,345.22

Finding the Fourth Proportional to 45,326.58, 67,966.50 and 20,345.22

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Solution

The fourth proportional to 45,326.58, 67,966.50 and 20,345.22 is: 30,507.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,326.58 : 67,966.50 = 20,345.22 : x
  2. Step 2: Convert to fraction form
    45,326.58/67,966.50 = 20,345.22/x
  3. Step 3: Cross multiply
    45,326.58x = 67,966.50 × 20,345.22
  4. Step 4: Simplify right side
    45,326.58x = 1,382,793,395.13
  5. Step 5: Solve for x
    x = 1,382,793,395.13/45,326.58
  6. Step 6: Final answer
    x = 30,507.34

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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.