Home / 47,661.56-71,419.40-25,478.08

Finding the Fourth Proportional to 47,661.56, 71,419.40 and 25,478.08

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Solution

The fourth proportional to 47,661.56, 71,419.40 and 25,478.08 is: 38,178.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,661.56 : 71,419.40 = 25,478.08 : x
  2. Step 2: Convert to fraction form
    47,661.56/71,419.40 = 25,478.08/x
  3. Step 3: Cross multiply
    47,661.56x = 71,419.40 × 25,478.08
  4. Step 4: Simplify right side
    47,661.56x = 1,819,629,186.75
  5. Step 5: Solve for x
    x = 1,819,629,186.75/47,661.56
  6. Step 6: Final answer
    x = 38,178.13

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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.