Home / 52,749.81-79,108.17-15,312.48

Finding the Fourth Proportional to 52,749.81, 79,108.17 and 15,312.48

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Solution

The fourth proportional to 52,749.81, 79,108.17 and 15,312.48 is: 22,963.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,749.81 : 79,108.17 = 15,312.48 : x
  2. Step 2: Convert to fraction form
    52,749.81/79,108.17 = 15,312.48/x
  3. Step 3: Cross multiply
    52,749.81x = 79,108.17 × 15,312.48
  4. Step 4: Simplify right side
    52,749.81x = 1,211,342,270.96
  5. Step 5: Solve for x
    x = 1,211,342,270.96/52,749.81
  6. Step 6: Final answer
    x = 22,963.92

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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.