Home / 35,833.60-53,773.79-13,647.20

Finding the Fourth Proportional to 35,833.60, 53,773.79 and 13,647.20

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Solution

The fourth proportional to 35,833.60, 53,773.79 and 13,647.20 is: 20,479.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,833.60 : 53,773.79 = 13,647.20 : x
  2. Step 2: Convert to fraction form
    35,833.60/53,773.79 = 13,647.20/x
  3. Step 3: Cross multiply
    35,833.60x = 53,773.79 × 13,647.20
  4. Step 4: Simplify right side
    35,833.60x = 733,861,329.78
  5. Step 5: Solve for x
    x = 733,861,329.78/35,833.60
  6. Step 6: Final answer
    x = 20,479.70

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1.5x scale

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.