Home / 52,814.20-72,856.36-35,812.70

Finding the Fourth Proportional to 52,814.20, 72,856.36 and 35,812.70

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Solution

The fourth proportional to 52,814.20, 72,856.36 and 35,812.70 is: 49,403.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,814.20 : 72,856.36 = 35,812.70 : x
  2. Step 2: Convert to fraction form
    52,814.20/72,856.36 = 35,812.70/x
  3. Step 3: Cross multiply
    52,814.20x = 72,856.36 × 35,812.70
  4. Step 4: Simplify right side
    52,814.20x = 2,609,182,963.77
  5. Step 5: Solve for x
    x = 2,609,182,963.77/52,814.20
  6. Step 6: Final answer
    x = 49,403.06

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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.