Home / 35,988.28-49,663.83-20,072.74

Finding the Fourth Proportional to 35,988.28, 49,663.83 and 20,072.74

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Solution

The fourth proportional to 35,988.28, 49,663.83 and 20,072.74 is: 27,700.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,988.28 : 49,663.83 = 20,072.74 : x
  2. Step 2: Convert to fraction form
    35,988.28/49,663.83 = 20,072.74/x
  3. Step 3: Cross multiply
    35,988.28x = 49,663.83 × 20,072.74
  4. Step 4: Simplify right side
    35,988.28x = 996,889,146.99
  5. Step 5: Solve for x
    x = 996,889,146.99/35,988.28
  6. Step 6: Final answer
    x = 27,700.38

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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.