Home / 45,966.70-68,886.26-20,945.60

Finding the Fourth Proportional to 45,966.70, 68,886.26 and 20,945.60

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Solution

The fourth proportional to 45,966.70, 68,886.26 and 20,945.60 is: 31,389.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,966.70 : 68,886.26 = 20,945.60 : x
  2. Step 2: Convert to fraction form
    45,966.70/68,886.26 = 20,945.60/x
  3. Step 3: Cross multiply
    45,966.70x = 68,886.26 × 20,945.60
  4. Step 4: Simplify right side
    45,966.70x = 1,442,864,047.46
  5. Step 5: Solve for x
    x = 1,442,864,047.46/45,966.70
  6. Step 6: Final answer
    x = 31,389.33

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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.