Home / 31,453.49-47,158.35-11,726.75

Finding the Fourth Proportional to 31,453.49, 47,158.35 and 11,726.75

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Solution

The fourth proportional to 31,453.49, 47,158.35 and 11,726.75 is: 17,581.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,453.49 : 47,158.35 = 11,726.75 : x
  2. Step 2: Convert to fraction form
    31,453.49/47,158.35 = 11,726.75/x
  3. Step 3: Cross multiply
    31,453.49x = 47,158.35 × 11,726.75
  4. Step 4: Simplify right side
    31,453.49x = 553,013,945.07
  5. Step 5: Solve for x
    x = 553,013,945.07/31,453.49
  6. Step 6: Final answer
    x = 17,581.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.