Home / 29,081.34-40,152.52-19,535.76

Finding the Fourth Proportional to 29,081.34, 40,152.52 and 19,535.76

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Solution

The fourth proportional to 29,081.34, 40,152.52 and 19,535.76 is: 26,972.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,081.34 : 40,152.52 = 19,535.76 : x
  2. Step 2: Convert to fraction form
    29,081.34/40,152.52 = 19,535.76/x
  3. Step 3: Cross multiply
    29,081.34x = 40,152.52 × 19,535.76
  4. Step 4: Simplify right side
    29,081.34x = 784,409,994.12
  5. Step 5: Solve for x
    x = 784,409,994.12/29,081.34
  6. Step 6: Final answer
    x = 26,972.97

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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.