Home / 39,061.81-58,581.54-10,979.92

Finding the Fourth Proportional to 39,061.81, 58,581.54 and 10,979.92

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Solution

The fourth proportional to 39,061.81, 58,581.54 and 10,979.92 is: 16,466.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,061.81 : 58,581.54 = 10,979.92 : x
  2. Step 2: Convert to fraction form
    39,061.81/58,581.54 = 10,979.92/x
  3. Step 3: Cross multiply
    39,061.81x = 58,581.54 × 10,979.92
  4. Step 4: Simplify right side
    39,061.81x = 643,220,622.68
  5. Step 5: Solve for x
    x = 643,220,622.68/39,061.81
  6. Step 6: Final answer
    x = 16,466.74

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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.