Home / 45,426.77-68,162.57-20,484.17

Finding the Fourth Proportional to 45,426.77, 68,162.57 and 20,484.17

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Solution

The fourth proportional to 45,426.77, 68,162.57 and 20,484.17 is: 30,736.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,426.77 : 68,162.57 = 20,484.17 : x
  2. Step 2: Convert to fraction form
    45,426.77/68,162.57 = 20,484.17/x
  3. Step 3: Cross multiply
    45,426.77x = 68,162.57 × 20,484.17
  4. Step 4: Simplify right side
    45,426.77x = 1,396,253,569.10
  5. Step 5: Solve for x
    x = 1,396,253,569.10/45,426.77
  6. Step 6: Final answer
    x = 30,736.36

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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.