Home / 47,146.29-70,721.64-15,559.11

Finding the Fourth Proportional to 47,146.29, 70,721.64 and 15,559.11

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Solution

The fourth proportional to 47,146.29, 70,721.64 and 15,559.11 is: 23,339.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,146.29 : 70,721.64 = 15,559.11 : x
  2. Step 2: Convert to fraction form
    47,146.29/70,721.64 = 15,559.11/x
  3. Step 3: Cross multiply
    47,146.29x = 70,721.64 × 15,559.11
  4. Step 4: Simplify right side
    47,146.29x = 1,100,365,776.14
  5. Step 5: Solve for x
    x = 1,100,365,776.14/47,146.29
  6. Step 6: Final answer
    x = 23,339.39

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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.