Home / 40,337.40-60,506.10-31,121.40

Finding the Fourth Proportional to 40,337.40, 60,506.10 and 31,121.40

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Solution

The fourth proportional to 40,337.40, 60,506.10 and 31,121.40 is: 46,682.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,337.40 : 60,506.10 = 31,121.40 : x
  2. Step 2: Convert to fraction form
    40,337.40/60,506.10 = 31,121.40/x
  3. Step 3: Cross multiply
    40,337.40x = 60,506.10 × 31,121.40
  4. Step 4: Simplify right side
    40,337.40x = 1,883,034,540.54
  5. Step 5: Solve for x
    x = 1,883,034,540.54/40,337.40
  6. Step 6: Final answer
    x = 46,682.10

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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.