Home / 31,799.52-43,903.50-20,473.20

Finding the Fourth Proportional to 31,799.52, 43,903.50 and 20,473.20

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Solution

The fourth proportional to 31,799.52, 43,903.50 and 20,473.20 is: 28,266.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,799.52 : 43,903.50 = 20,473.20 : x
  2. Step 2: Convert to fraction form
    31,799.52/43,903.50 = 20,473.20/x
  3. Step 3: Cross multiply
    31,799.52x = 43,903.50 × 20,473.20
  4. Step 4: Simplify right side
    31,799.52x = 898,845,136.20
  5. Step 5: Solve for x
    x = 898,845,136.20/31,799.52
  6. Step 6: Final answer
    x = 28,266.00

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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.