Home / 40,708.24-61,071.90-12,626.86

Finding the Fourth Proportional to 40,708.24, 61,071.90 and 12,626.86

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Solution

The fourth proportional to 40,708.24, 61,071.90 and 12,626.86 is: 18,943.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,708.24 : 61,071.90 = 12,626.86 : x
  2. Step 2: Convert to fraction form
    40,708.24/61,071.90 = 12,626.86/x
  3. Step 3: Cross multiply
    40,708.24x = 61,071.90 × 12,626.86
  4. Step 4: Simplify right side
    40,708.24x = 771,146,331.23
  5. Step 5: Solve for x
    x = 771,146,331.23/40,708.24
  6. Step 6: Final answer
    x = 18,943.25

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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.