Home / 53,950.43-80,926.40-20,672.18

Finding the Fourth Proportional to 53,950.43, 80,926.40 and 20,672.18

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Solution

The fourth proportional to 53,950.43, 80,926.40 and 20,672.18 is: 31,008.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,950.43 : 80,926.40 = 20,672.18 : x
  2. Step 2: Convert to fraction form
    53,950.43/80,926.40 = 20,672.18/x
  3. Step 3: Cross multiply
    53,950.43x = 80,926.40 × 20,672.18
  4. Step 4: Simplify right side
    53,950.43x = 1,672,925,107.55
  5. Step 5: Solve for x
    x = 1,672,925,107.55/53,950.43
  6. Step 6: Final answer
    x = 31,008.56

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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.