Home / 34,247.15-47,291.13-21,522.38

Finding the Fourth Proportional to 34,247.15, 47,291.13 and 21,522.38

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Solution

The fourth proportional to 34,247.15, 47,291.13 and 21,522.38 is: 29,719.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,247.15 : 47,291.13 = 21,522.38 : x
  2. Step 2: Convert to fraction form
    34,247.15/47,291.13 = 21,522.38/x
  3. Step 3: Cross multiply
    34,247.15x = 47,291.13 × 21,522.38
  4. Step 4: Simplify right side
    34,247.15x = 1,017,817,434.03
  5. Step 5: Solve for x
    x = 1,017,817,434.03/34,247.15
  6. Step 6: Final answer
    x = 29,719.77

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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.