Home / 45,405.24-62,688.51-29,279.76

Finding the Fourth Proportional to 45,405.24, 62,688.51 and 29,279.76

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Solution

The fourth proportional to 45,405.24, 62,688.51 and 29,279.76 is: 40,424.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,405.24 : 62,688.51 = 29,279.76 : x
  2. Step 2: Convert to fraction form
    45,405.24/62,688.51 = 29,279.76/x
  3. Step 3: Cross multiply
    45,405.24x = 62,688.51 × 29,279.76
  4. Step 4: Simplify right side
    45,405.24x = 1,835,504,527.56
  5. Step 5: Solve for x
    x = 1,835,504,527.56/45,405.24
  6. Step 6: Final answer
    x = 40,424.95

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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.