Home / 52,756.86-79,143.12-15,317.24

Finding the Fourth Proportional to 52,756.86, 79,143.12 and 15,317.24

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Solution

The fourth proportional to 52,756.86, 79,143.12 and 15,317.24 is: 22,978.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,756.86 : 79,143.12 = 15,317.24 : x
  2. Step 2: Convert to fraction form
    52,756.86/79,143.12 = 15,317.24/x
  3. Step 3: Cross multiply
    52,756.86x = 79,143.12 × 15,317.24
  4. Step 4: Simplify right side
    52,756.86x = 1,212,254,163.39
  5. Step 5: Solve for x
    x = 1,212,254,163.39/52,756.86
  6. Step 6: Final answer
    x = 22,978.13

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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.