Home / 32,785.34-45,260.11-21,472.17

Finding the Fourth Proportional to 32,785.34, 45,260.11 and 21,472.17

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Solution

The fourth proportional to 32,785.34, 45,260.11 and 21,472.17 is: 29,642.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,785.34 : 45,260.11 = 21,472.17 : x
  2. Step 2: Convert to fraction form
    32,785.34/45,260.11 = 21,472.17/x
  3. Step 3: Cross multiply
    32,785.34x = 45,260.11 × 21,472.17
  4. Step 4: Simplify right side
    32,785.34x = 971,833,045.33
  5. Step 5: Solve for x
    x = 971,833,045.33/32,785.34
  6. Step 6: Final answer
    x = 29,642.30

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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.