Home / 56,439.80-84,545.46-26,886.20

Finding the Fourth Proportional to 56,439.80, 84,545.46 and 26,886.20

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Solution

The fourth proportional to 56,439.80, 84,545.46 and 26,886.20 is: 40,274.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,439.80 : 84,545.46 = 26,886.20 : x
  2. Step 2: Convert to fraction form
    56,439.80/84,545.46 = 26,886.20/x
  3. Step 3: Cross multiply
    56,439.80x = 84,545.46 × 26,886.20
  4. Step 4: Simplify right side
    56,439.80x = 2,273,106,146.65
  5. Step 5: Solve for x
    x = 2,273,106,146.65/56,439.80
  6. Step 6: Final answer
    x = 40,274.88

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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.