Home / 54,719.71-75,512.19-30,846.40

Finding the Fourth Proportional to 54,719.71, 75,512.19 and 30,846.40

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Solution

The fourth proportional to 54,719.71, 75,512.19 and 30,846.40 is: 42,567.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,719.71 : 75,512.19 = 30,846.40 : x
  2. Step 2: Convert to fraction form
    54,719.71/75,512.19 = 30,846.40/x
  3. Step 3: Cross multiply
    54,719.71x = 75,512.19 × 30,846.40
  4. Step 4: Simplify right side
    54,719.71x = 2,329,279,196.33
  5. Step 5: Solve for x
    x = 2,329,279,196.33/54,719.71
  6. Step 6: Final answer
    x = 42,567.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.