Home / 30,073.16-41,500.64-17,979.20

Finding the Fourth Proportional to 30,073.16, 41,500.64 and 17,979.20

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Solution

The fourth proportional to 30,073.16, 41,500.64 and 17,979.20 is: 24,811.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,073.16 : 41,500.64 = 17,979.20 : x
  2. Step 2: Convert to fraction form
    30,073.16/41,500.64 = 17,979.20/x
  3. Step 3: Cross multiply
    30,073.16x = 41,500.64 × 17,979.20
  4. Step 4: Simplify right side
    30,073.16x = 746,148,306.69
  5. Step 5: Solve for x
    x = 746,148,306.69/30,073.16
  6. Step 6: Final answer
    x = 24,811.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.