Home / 45,358.60-68,021.70-15,777.40

Finding the Fourth Proportional to 45,358.60, 68,021.70 and 15,777.40

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Solution

The fourth proportional to 45,358.60, 68,021.70 and 15,777.40 is: 23,660.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,358.60 : 68,021.70 = 15,777.40 : x
  2. Step 2: Convert to fraction form
    45,358.60/68,021.70 = 15,777.40/x
  3. Step 3: Cross multiply
    45,358.60x = 68,021.70 × 15,777.40
  4. Step 4: Simplify right side
    45,358.60x = 1,073,205,569.58
  5. Step 5: Solve for x
    x = 1,073,205,569.58/45,358.60
  6. Step 6: Final answer
    x = 23,660.47

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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.