Home / 52,708.86-79,041.54-20,246.15

Finding the Fourth Proportional to 52,708.86, 79,041.54 and 20,246.15

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Solution

The fourth proportional to 52,708.86, 79,041.54 and 20,246.15 is: 30,360.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,708.86 : 79,041.54 = 20,246.15 : x
  2. Step 2: Convert to fraction form
    52,708.86/79,041.54 = 20,246.15/x
  3. Step 3: Cross multiply
    52,708.86x = 79,041.54 × 20,246.15
  4. Step 4: Simplify right side
    52,708.86x = 1,600,286,977.77
  5. Step 5: Solve for x
    x = 1,600,286,977.77/52,708.86
  6. Step 6: Final answer
    x = 30,360.87

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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.