Home / 56,280.46-84,433.17-21,220.42

Finding the Fourth Proportional to 56,280.46, 84,433.17 and 21,220.42

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Solution

The fourth proportional to 56,280.46, 84,433.17 and 21,220.42 is: 31,835.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,280.46 : 84,433.17 = 21,220.42 : x
  2. Step 2: Convert to fraction form
    56,280.46/84,433.17 = 21,220.42/x
  3. Step 3: Cross multiply
    56,280.46x = 84,433.17 × 21,220.42
  4. Step 4: Simplify right side
    56,280.46x = 1,791,707,329.33
  5. Step 5: Solve for x
    x = 1,791,707,329.33/56,280.46
  6. Step 6: Final answer
    x = 31,835.34

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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.