Home / 34,715.28-47,907.10-18,799.72

Finding the Fourth Proportional to 34,715.28, 47,907.10 and 18,799.72

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Solution

The fourth proportional to 34,715.28, 47,907.10 and 18,799.72 is: 25,943.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,715.28 : 47,907.10 = 18,799.72 : x
  2. Step 2: Convert to fraction form
    34,715.28/47,907.10 = 18,799.72/x
  3. Step 3: Cross multiply
    34,715.28x = 47,907.10 × 18,799.72
  4. Step 4: Simplify right side
    34,715.28x = 900,640,066.01
  5. Step 5: Solve for x
    x = 900,640,066.01/34,715.28
  6. Step 6: Final answer
    x = 25,943.62

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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.