Home / 45,740.40-68,499.87-31,660.98

Finding the Fourth Proportional to 45,740.40, 68,499.87 and 31,660.98

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Solution

The fourth proportional to 45,740.40, 68,499.87 and 31,660.98 is: 47,414.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,740.40 : 68,499.87 = 31,660.98 : x
  2. Step 2: Convert to fraction form
    45,740.40/68,499.87 = 31,660.98/x
  3. Step 3: Cross multiply
    45,740.40x = 68,499.87 × 31,660.98
  4. Step 4: Simplify right side
    45,740.40x = 2,168,773,014.07
  5. Step 5: Solve for x
    x = 2,168,773,014.07/45,740.40
  6. Step 6: Final answer
    x = 47,414.82

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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.