Home / 54,386.89-75,061.71-30,193.40

Finding the Fourth Proportional to 54,386.89, 75,061.71 and 30,193.40

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Solution

The fourth proportional to 54,386.89, 75,061.71 and 30,193.40 is: 41,671.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,386.89 : 75,061.71 = 30,193.40 : x
  2. Step 2: Convert to fraction form
    54,386.89/75,061.71 = 30,193.40/x
  3. Step 3: Cross multiply
    54,386.89x = 75,061.71 × 30,193.40
  4. Step 4: Simplify right side
    54,386.89x = 2,266,368,422.37
  5. Step 5: Solve for x
    x = 2,266,368,422.37/54,386.89
  6. Step 6: Final answer
    x = 41,671.23

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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.