Home / 32,715.70-45,132.57-19,277.78

Finding the Fourth Proportional to 32,715.70, 45,132.57 and 19,277.78

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Solution

The fourth proportional to 32,715.70, 45,132.57 and 19,277.78 is: 26,594.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,715.70 : 45,132.57 = 19,277.78 : x
  2. Step 2: Convert to fraction form
    32,715.70/45,132.57 = 19,277.78/x
  3. Step 3: Cross multiply
    32,715.70x = 45,132.57 × 19,277.78
  4. Step 4: Simplify right side
    32,715.70x = 870,055,755.29
  5. Step 5: Solve for x
    x = 870,055,755.29/32,715.70
  6. Step 6: Final answer
    x = 26,594.44

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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.