Home / 20,348.83-30,518.34-5,557.83

Finding the Fourth Proportional to 20,348.83, 30,518.34 and 5,557.83

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Solution

The fourth proportional to 20,348.83, 30,518.34 and 5,557.83 is: 8,335.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,348.83 : 30,518.34 = 5,557.83 : x
  2. Step 2: Convert to fraction form
    20,348.83/30,518.34 = 5,557.83/x
  3. Step 3: Cross multiply
    20,348.83x = 30,518.34 × 5,557.83
  4. Step 4: Simplify right side
    20,348.83x = 169,615,610.32
  5. Step 5: Solve for x
    x = 169,615,610.32/20,348.83
  6. Step 6: Final answer
    x = 8,335.40

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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.