Home / 45,233.70-67,838.40-15,660.60

Finding the Fourth Proportional to 45,233.70, 67,838.40 and 15,660.60

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Solution

The fourth proportional to 45,233.70, 67,838.40 and 15,660.60 is: 23,486.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,233.70 : 67,838.40 = 15,660.60 : x
  2. Step 2: Convert to fraction form
    45,233.70/67,838.40 = 15,660.60/x
  3. Step 3: Cross multiply
    45,233.70x = 67,838.40 × 15,660.60
  4. Step 4: Simplify right side
    45,233.70x = 1,062,390,047.04
  5. Step 5: Solve for x
    x = 1,062,390,047.04/45,233.70
  6. Step 6: Final answer
    x = 23,486.69

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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.