Home / 54,038.16-74,578.28-30,173.04

Finding the Fourth Proportional to 54,038.16, 74,578.28 and 30,173.04

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Solution

The fourth proportional to 54,038.16, 74,578.28 and 30,173.04 is: 41,641.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,038.16 : 74,578.28 = 30,173.04 : x
  2. Step 2: Convert to fraction form
    54,038.16/74,578.28 = 30,173.04/x
  3. Step 3: Cross multiply
    54,038.16x = 74,578.28 × 30,173.04
  4. Step 4: Simplify right side
    54,038.16x = 2,250,253,425.57
  5. Step 5: Solve for x
    x = 2,250,253,425.57/54,038.16
  6. Step 6: Final answer
    x = 41,641.93

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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.