Home / 40,772.65-56,240.35-29,458.78

Finding the Fourth Proportional to 40,772.65, 56,240.35 and 29,458.78

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Solution

The fourth proportional to 40,772.65, 56,240.35 and 29,458.78 is: 40,634.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,772.65 : 56,240.35 = 29,458.78 : x
  2. Step 2: Convert to fraction form
    40,772.65/56,240.35 = 29,458.78/x
  3. Step 3: Cross multiply
    40,772.65x = 56,240.35 × 29,458.78
  4. Step 4: Simplify right side
    40,772.65x = 1,656,772,097.77
  5. Step 5: Solve for x
    x = 1,656,772,097.77/40,772.65
  6. Step 6: Final answer
    x = 40,634.40

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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.