Home / 52,723.20-79,085.70-19,426.13

Finding the Fourth Proportional to 52,723.20, 79,085.70 and 19,426.13

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Solution

The fourth proportional to 52,723.20, 79,085.70 and 19,426.13 is: 29,139.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,723.20 : 79,085.70 = 19,426.13 : x
  2. Step 2: Convert to fraction form
    52,723.20/79,085.70 = 19,426.13/x
  3. Step 3: Cross multiply
    52,723.20x = 79,085.70 × 19,426.13
  4. Step 4: Simplify right side
    52,723.20x = 1,536,329,089.34
  5. Step 5: Solve for x
    x = 1,536,329,089.34/52,723.20
  6. Step 6: Final answer
    x = 29,139.53

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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.