Home / 34,715.40-47,906.69-18,799.71

Finding the Fourth Proportional to 34,715.40, 47,906.69 and 18,799.71

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Solution

The fourth proportional to 34,715.40, 47,906.69 and 18,799.71 is: 25,943.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,715.40 : 47,906.69 = 18,799.71 : x
  2. Step 2: Convert to fraction form
    34,715.40/47,906.69 = 18,799.71/x
  3. Step 3: Cross multiply
    34,715.40x = 47,906.69 × 18,799.71
  4. Step 4: Simplify right side
    34,715.40x = 900,631,785.06
  5. Step 5: Solve for x
    x = 900,631,785.06/34,715.40
  6. Step 6: Final answer
    x = 25,943.29

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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.