Home / 38,155.20-57,117.60-33,547.20

Finding the Fourth Proportional to 38,155.20, 57,117.60 and 33,547.20

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Solution

The fourth proportional to 38,155.20, 57,117.60 and 33,547.20 is: 50,219.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,155.20 : 57,117.60 = 33,547.20 : x
  2. Step 2: Convert to fraction form
    38,155.20/57,117.60 = 33,547.20/x
  3. Step 3: Cross multiply
    38,155.20x = 57,117.60 × 33,547.20
  4. Step 4: Simplify right side
    38,155.20x = 1,916,135,550.72
  5. Step 5: Solve for x
    x = 1,916,135,550.72/38,155.20
  6. Step 6: Final answer
    x = 50,219.51

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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.