Home / 40,029.70-55,248.60-26,393.76

Finding the Fourth Proportional to 40,029.70, 55,248.60 and 26,393.76

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Solution

The fourth proportional to 40,029.70, 55,248.60 and 26,393.76 is: 36,428.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,029.70 : 55,248.60 = 26,393.76 : x
  2. Step 2: Convert to fraction form
    40,029.70/55,248.60 = 26,393.76/x
  3. Step 3: Cross multiply
    40,029.70x = 55,248.60 × 26,393.76
  4. Step 4: Simplify right side
    40,029.70x = 1,458,218,288.74
  5. Step 5: Solve for x
    x = 1,458,218,288.74/40,029.70
  6. Step 6: Final answer
    x = 36,428.41

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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.