Home / 38,543.90-53,205.28-25,118.45

Finding the Fourth Proportional to 38,543.90, 53,205.28 and 25,118.45

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Solution

The fourth proportional to 38,543.90, 53,205.28 and 25,118.45 is: 34,673.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,543.90 : 53,205.28 = 25,118.45 : x
  2. Step 2: Convert to fraction form
    38,543.90/53,205.28 = 25,118.45/x
  3. Step 3: Cross multiply
    38,543.90x = 53,205.28 × 25,118.45
  4. Step 4: Simplify right side
    38,543.90x = 1,336,433,836.59
  5. Step 5: Solve for x
    x = 1,336,433,836.59/38,543.90
  6. Step 6: Final answer
    x = 34,673.04

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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.