Home / 31,833.60-43,916.76-19,888.80

Finding the Fourth Proportional to 31,833.60, 43,916.76 and 19,888.80

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Solution

The fourth proportional to 31,833.60, 43,916.76 and 19,888.80 is: 27,438.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,833.60 : 43,916.76 = 19,888.80 : x
  2. Step 2: Convert to fraction form
    31,833.60/43,916.76 = 19,888.80/x
  3. Step 3: Cross multiply
    31,833.60x = 43,916.76 × 19,888.80
  4. Step 4: Simplify right side
    31,833.60x = 873,451,656.29
  5. Step 5: Solve for x
    x = 873,451,656.29/31,833.60
  6. Step 6: Final answer
    x = 27,438.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.