Home / 45,392.58-68,088.29-20,414.97

Finding the Fourth Proportional to 45,392.58, 68,088.29 and 20,414.97

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Solution

The fourth proportional to 45,392.58, 68,088.29 and 20,414.97 is: 30,622.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,392.58 : 68,088.29 = 20,414.97 : x
  2. Step 2: Convert to fraction form
    45,392.58/68,088.29 = 20,414.97/x
  3. Step 3: Cross multiply
    45,392.58x = 68,088.29 × 20,414.97
  4. Step 4: Simplify right side
    45,392.58x = 1,390,020,295.63
  5. Step 5: Solve for x
    x = 1,390,020,295.63/45,392.58
  6. Step 6: Final answer
    x = 30,622.19

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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.