Home / 40,024.94-55,234.59-21,876.03

Finding the Fourth Proportional to 40,024.94, 55,234.59 and 21,876.03

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Solution

The fourth proportional to 40,024.94, 55,234.59 and 21,876.03 is: 30,189.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,024.94 : 55,234.59 = 21,876.03 : x
  2. Step 2: Convert to fraction form
    40,024.94/55,234.59 = 21,876.03/x
  3. Step 3: Cross multiply
    40,024.94x = 55,234.59 × 21,876.03
  4. Step 4: Simplify right side
    40,024.94x = 1,208,313,547.88
  5. Step 5: Solve for x
    x = 1,208,313,547.88/40,024.94
  6. Step 6: Final answer
    x = 30,189.02

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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.