Home / 43,388.74-64,903.12-40,731.53

Finding the Fourth Proportional to 43,388.74, 64,903.12 and 40,731.53

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Solution

The fourth proportional to 43,388.74, 64,903.12 and 40,731.53 is: 60,928.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,388.74 : 64,903.12 = 40,731.53 : x
  2. Step 2: Convert to fraction form
    43,388.74/64,903.12 = 40,731.53/x
  3. Step 3: Cross multiply
    43,388.74x = 64,903.12 × 40,731.53
  4. Step 4: Simplify right side
    43,388.74x = 2,643,603,729.76
  5. Step 5: Solve for x
    x = 2,643,603,729.76/43,388.74
  6. Step 6: Final answer
    x = 60,928.34

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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.