Home / 30,009.24-41,389.72-18,060.12

Finding the Fourth Proportional to 30,009.24, 41,389.72 and 18,060.12

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Solution

The fourth proportional to 30,009.24, 41,389.72 and 18,060.12 is: 24,909.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,009.24 : 41,389.72 = 18,060.12 : x
  2. Step 2: Convert to fraction form
    30,009.24/41,389.72 = 18,060.12/x
  3. Step 3: Cross multiply
    30,009.24x = 41,389.72 × 18,060.12
  4. Step 4: Simplify right side
    30,009.24x = 747,503,309.97
  5. Step 5: Solve for x
    x = 747,503,309.97/30,009.24
  6. Step 6: Final answer
    x = 24,909.10

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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.