Home / 20,041.23-30,064.56-8,351.71

Finding the Fourth Proportional to 20,041.23, 30,064.56 and 8,351.71

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Solution

The fourth proportional to 20,041.23, 30,064.56 and 8,351.71 is: 12,528.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,041.23 : 30,064.56 = 8,351.71 : x
  2. Step 2: Convert to fraction form
    20,041.23/30,064.56 = 8,351.71/x
  3. Step 3: Cross multiply
    20,041.23x = 30,064.56 × 8,351.71
  4. Step 4: Simplify right side
    20,041.23x = 251,090,486.40
  5. Step 5: Solve for x
    x = 251,090,486.40/20,041.23
  6. Step 6: Final answer
    x = 12,528.70

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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.