Home / 45,271.60-67,639.40-43,721.26

Finding the Fourth Proportional to 45,271.60, 67,639.40 and 43,721.26

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Solution

The fourth proportional to 45,271.60, 67,639.40 and 43,721.26 is: 65,323.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,271.60 : 67,639.40 = 43,721.26 : x
  2. Step 2: Convert to fraction form
    45,271.60/67,639.40 = 43,721.26/x
  3. Step 3: Cross multiply
    45,271.60x = 67,639.40 × 43,721.26
  4. Step 4: Simplify right side
    45,271.60x = 2,957,279,793.64
  5. Step 5: Solve for x
    x = 2,957,279,793.64/45,271.60
  6. Step 6: Final answer
    x = 65,323.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.