Home / 31,188.34-43,070.19-26,685.73

Finding the Fourth Proportional to 31,188.34, 43,070.19 and 26,685.73

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Solution

The fourth proportional to 31,188.34, 43,070.19 and 26,685.73 is: 36,852.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,188.34 : 43,070.19 = 26,685.73 : x
  2. Step 2: Convert to fraction form
    31,188.34/43,070.19 = 26,685.73/x
  3. Step 3: Cross multiply
    31,188.34x = 43,070.19 × 26,685.73
  4. Step 4: Simplify right side
    31,188.34x = 1,149,359,461.39
  5. Step 5: Solve for x
    x = 1,149,359,461.39/31,188.34
  6. Step 6: Final answer
    x = 36,852.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.