Home / 20,723.24-31,062.80-14,133.08

Finding the Fourth Proportional to 20,723.24, 31,062.80 and 14,133.08

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Solution

The fourth proportional to 20,723.24, 31,062.80 and 14,133.08 is: 21,184.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,723.24 : 31,062.80 = 14,133.08 : x
  2. Step 2: Convert to fraction form
    20,723.24/31,062.80 = 14,133.08/x
  3. Step 3: Cross multiply
    20,723.24x = 31,062.80 × 14,133.08
  4. Step 4: Simplify right side
    20,723.24x = 439,013,037.42
  5. Step 5: Solve for x
    x = 439,013,037.42/20,723.24
  6. Step 6: Final answer
    x = 21,184.58

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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.