Home / 35,151.20-52,820.40-19,368.80

Finding the Fourth Proportional to 35,151.20, 52,820.40 and 19,368.80

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Solution

The fourth proportional to 35,151.20, 52,820.40 and 19,368.80 is: 29,104.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,151.20 : 52,820.40 = 19,368.80 : x
  2. Step 2: Convert to fraction form
    35,151.20/52,820.40 = 19,368.80/x
  3. Step 3: Cross multiply
    35,151.20x = 52,820.40 × 19,368.80
  4. Step 4: Simplify right side
    35,151.20x = 1,023,067,763.52
  5. Step 5: Solve for x
    x = 1,023,067,763.52/35,151.20
  6. Step 6: Final answer
    x = 29,104.77

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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.