Home / 40,566.77-55,902.40-31,017.48

Finding the Fourth Proportional to 40,566.77, 55,902.40 and 31,017.48

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Solution

The fourth proportional to 40,566.77, 55,902.40 and 31,017.48 is: 42,743.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,566.77 : 55,902.40 = 31,017.48 : x
  2. Step 2: Convert to fraction form
    40,566.77/55,902.40 = 31,017.48/x
  3. Step 3: Cross multiply
    40,566.77x = 55,902.40 × 31,017.48
  4. Step 4: Simplify right side
    40,566.77x = 1,733,951,775.70
  5. Step 5: Solve for x
    x = 1,733,951,775.70/40,566.77
  6. Step 6: Final answer
    x = 42,743.15

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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.