Home / 20,346.30-30,519.45-17,065.80

Finding the Fourth Proportional to 20,346.30, 30,519.45 and 17,065.80

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Solution

The fourth proportional to 20,346.30, 30,519.45 and 17,065.80 is: 25,598.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,346.30 : 30,519.45 = 17,065.80 : x
  2. Step 2: Convert to fraction form
    20,346.30/30,519.45 = 17,065.80/x
  3. Step 3: Cross multiply
    20,346.30x = 30,519.45 × 17,065.80
  4. Step 4: Simplify right side
    20,346.30x = 520,838,829.81
  5. Step 5: Solve for x
    x = 520,838,829.81/20,346.30
  6. Step 6: Final answer
    x = 25,598.70

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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.