Home / 45,499.23-68,205.65-15,897.78

Finding the Fourth Proportional to 45,499.23, 68,205.65 and 15,897.78

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Solution

The fourth proportional to 45,499.23, 68,205.65 and 15,897.78 is: 23,831.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,499.23 : 68,205.65 = 15,897.78 : x
  2. Step 2: Convert to fraction form
    45,499.23/68,205.65 = 15,897.78/x
  3. Step 3: Cross multiply
    45,499.23x = 68,205.65 × 15,897.78
  4. Step 4: Simplify right side
    45,499.23x = 1,084,318,338.97
  5. Step 5: Solve for x
    x = 1,084,318,338.97/45,499.23
  6. Step 6: Final answer
    x = 23,831.58

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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.