Home / 40,585.91-55,972.29-25,479.98

Finding the Fourth Proportional to 40,585.91, 55,972.29 and 25,479.98

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Solution

The fourth proportional to 40,585.91, 55,972.29 and 25,479.98 is: 35,139.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,585.91 : 55,972.29 = 25,479.98 : x
  2. Step 2: Convert to fraction form
    40,585.91/55,972.29 = 25,479.98/x
  3. Step 3: Cross multiply
    40,585.91x = 55,972.29 × 25,479.98
  4. Step 4: Simplify right side
    40,585.91x = 1,426,172,960.29
  5. Step 5: Solve for x
    x = 1,426,172,960.29/40,585.91
  6. Step 6: Final answer
    x = 35,139.61

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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.