Home / 40,260.39-60,422.46-21,298.47

Finding the Fourth Proportional to 40,260.39, 60,422.46 and 21,298.47

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Solution

The fourth proportional to 40,260.39, 60,422.46 and 21,298.47 is: 31,964.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,260.39 : 60,422.46 = 21,298.47 : x
  2. Step 2: Convert to fraction form
    40,260.39/60,422.46 = 21,298.47/x
  3. Step 3: Cross multiply
    40,260.39x = 60,422.46 × 21,298.47
  4. Step 4: Simplify right side
    40,260.39x = 1,286,905,951.64
  5. Step 5: Solve for x
    x = 1,286,905,951.64/40,260.39
  6. Step 6: Final answer
    x = 31,964.57

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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.