Home / 33,330.17-45,995.10-18,222.47

Finding the Fourth Proportional to 33,330.17, 45,995.10 and 18,222.47

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Solution

The fourth proportional to 33,330.17, 45,995.10 and 18,222.47 is: 25,146.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,330.17 : 45,995.10 = 18,222.47 : x
  2. Step 2: Convert to fraction form
    33,330.17/45,995.10 = 18,222.47/x
  3. Step 3: Cross multiply
    33,330.17x = 45,995.10 × 18,222.47
  4. Step 4: Simplify right side
    33,330.17x = 838,144,329.90
  5. Step 5: Solve for x
    x = 838,144,329.90/33,330.17
  6. Step 6: Final answer
    x = 25,146.72

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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.