Home / 20,348.82-30,522.93-5,557.71

Finding the Fourth Proportional to 20,348.82, 30,522.93 and 5,557.71

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Solution

The fourth proportional to 20,348.82, 30,522.93 and 5,557.71 is: 8,336.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,348.82 : 30,522.93 = 5,557.71 : x
  2. Step 2: Convert to fraction form
    20,348.82/30,522.93 = 5,557.71/x
  3. Step 3: Cross multiply
    20,348.82x = 30,522.93 × 5,557.71
  4. Step 4: Simplify right side
    20,348.82x = 169,637,686.91
  5. Step 5: Solve for x
    x = 169,637,686.91/20,348.82
  6. Step 6: Final answer
    x = 8,336.49

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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.