Home / 52,720.32-79,029.76-19,422.24

Finding the Fourth Proportional to 52,720.32, 79,029.76 and 19,422.24

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Solution

The fourth proportional to 52,720.32, 79,029.76 and 19,422.24 is: 29,114.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,720.32 : 79,029.76 = 19,422.24 : x
  2. Step 2: Convert to fraction form
    52,720.32/79,029.76 = 19,422.24/x
  3. Step 3: Cross multiply
    52,720.32x = 79,029.76 × 19,422.24
  4. Step 4: Simplify right side
    52,720.32x = 1,534,934,965.86
  5. Step 5: Solve for x
    x = 1,534,934,965.86/52,720.32
  6. Step 6: Final answer
    x = 29,114.67

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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.