Home / 55,517.52-76,547.16-38,536.20

Finding the Fourth Proportional to 55,517.52, 76,547.16 and 38,536.20

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Solution

The fourth proportional to 55,517.52, 76,547.16 and 38,536.20 is: 53,133.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,517.52 : 76,547.16 = 38,536.20 : x
  2. Step 2: Convert to fraction form
    55,517.52/76,547.16 = 38,536.20/x
  3. Step 3: Cross multiply
    55,517.52x = 76,547.16 × 38,536.20
  4. Step 4: Simplify right side
    55,517.52x = 2,949,836,667.19
  5. Step 5: Solve for x
    x = 2,949,836,667.19/55,517.52
  6. Step 6: Final answer
    x = 53,133.44

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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.