Home / 52,227.98-78,288.34-20,625.23

Finding the Fourth Proportional to 52,227.98, 78,288.34 and 20,625.23

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Solution

The fourth proportional to 52,227.98, 78,288.34 and 20,625.23 is: 30,916.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,227.98 : 78,288.34 = 20,625.23 : x
  2. Step 2: Convert to fraction form
    52,227.98/78,288.34 = 20,625.23/x
  3. Step 3: Cross multiply
    52,227.98x = 78,288.34 × 20,625.23
  4. Step 4: Simplify right side
    52,227.98x = 1,614,714,575.81
  5. Step 5: Solve for x
    x = 1,614,714,575.81/52,227.98
  6. Step 6: Final answer
    x = 30,916.66

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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.