Home / 40,435.70-60,632.84-21,731.49

Finding the Fourth Proportional to 40,435.70, 60,632.84 and 21,731.49

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Solution

The fourth proportional to 40,435.70, 60,632.84 and 21,731.49 is: 32,586.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,435.70 : 60,632.84 = 21,731.49 : x
  2. Step 2: Convert to fraction form
    40,435.70/60,632.84 = 21,731.49/x
  3. Step 3: Cross multiply
    40,435.70x = 60,632.84 × 21,731.49
  4. Step 4: Simplify right side
    40,435.70x = 1,317,641,598.64
  5. Step 5: Solve for x
    x = 1,317,641,598.64/40,435.70
  6. Step 6: Final answer
    x = 32,586.10

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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.