Home / 45,821.51-68,733.17-20,844.15

Finding the Fourth Proportional to 45,821.51, 68,733.17 and 20,844.15

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Solution

The fourth proportional to 45,821.51, 68,733.17 and 20,844.15 is: 31,266.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,821.51 : 68,733.17 = 20,844.15 : x
  2. Step 2: Convert to fraction form
    45,821.51/68,733.17 = 20,844.15/x
  3. Step 3: Cross multiply
    45,821.51x = 68,733.17 × 20,844.15
  4. Step 4: Simplify right side
    45,821.51x = 1,432,684,505.46
  5. Step 5: Solve for x
    x = 1,432,684,505.46/45,821.51
  6. Step 6: Final answer
    x = 31,266.64

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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.