Home / 51,626.92-77,457.66-20,471.08

Finding the Fourth Proportional to 51,626.92, 77,457.66 and 20,471.08

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Solution

The fourth proportional to 51,626.92, 77,457.66 and 20,471.08 is: 30,713.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,626.92 : 77,457.66 = 20,471.08 : x
  2. Step 2: Convert to fraction form
    51,626.92/77,457.66 = 20,471.08/x
  3. Step 3: Cross multiply
    51,626.92x = 77,457.66 × 20,471.08
  4. Step 4: Simplify right side
    51,626.92x = 1,585,641,954.47
  5. Step 5: Solve for x
    x = 1,585,641,954.47/51,626.92
  6. Step 6: Final answer
    x = 30,713.47

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1.5x scale

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.