Home / 49,618.92-74,428.74-20,031.24

Finding the Fourth Proportional to 49,618.92, 74,428.74 and 20,031.24

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Solution

The fourth proportional to 49,618.92, 74,428.74 and 20,031.24 is: 30,047.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,618.92 : 74,428.74 = 20,031.24 : x
  2. Step 2: Convert to fraction form
    49,618.92/74,428.74 = 20,031.24/x
  3. Step 3: Cross multiply
    49,618.92x = 74,428.74 × 20,031.24
  4. Step 4: Simplify right side
    49,618.92x = 1,490,899,953.84
  5. Step 5: Solve for x
    x = 1,490,899,953.84/49,618.92
  6. Step 6: Final answer
    x = 30,047.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.