Home / 47,515.12-71,301.12-19,047.04

Finding the Fourth Proportional to 47,515.12, 71,301.12 and 19,047.04

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Solution

The fourth proportional to 47,515.12, 71,301.12 and 19,047.04 is: 28,581.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,515.12 : 71,301.12 = 19,047.04 : x
  2. Step 2: Convert to fraction form
    47,515.12/71,301.12 = 19,047.04/x
  3. Step 3: Cross multiply
    47,515.12x = 71,301.12 × 19,047.04
  4. Step 4: Simplify right side
    47,515.12x = 1,358,075,284.68
  5. Step 5: Solve for x
    x = 1,358,075,284.68/47,515.12
  6. Step 6: Final answer
    x = 28,581.96

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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.