Home / 31,437.60-43,384.11-17,097.57

Finding the Fourth Proportional to 31,437.60, 43,384.11 and 17,097.57

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Solution

The fourth proportional to 31,437.60, 43,384.11 and 17,097.57 is: 23,594.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,437.60 : 43,384.11 = 17,097.57 : x
  2. Step 2: Convert to fraction form
    31,437.60/43,384.11 = 17,097.57/x
  3. Step 3: Cross multiply
    31,437.60x = 43,384.11 × 17,097.57
  4. Step 4: Simplify right side
    31,437.60x = 741,762,857.61
  5. Step 5: Solve for x
    x = 741,762,857.61/31,437.60
  6. Step 6: Final answer
    x = 23,594.77

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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.