Home / 40,564.20-60,783.59-31,658.42

Finding the Fourth Proportional to 40,564.20, 60,783.59 and 31,658.42

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Solution

The fourth proportional to 40,564.20, 60,783.59 and 31,658.42 is: 47,438.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,564.20 : 60,783.59 = 31,658.42 : x
  2. Step 2: Convert to fraction form
    40,564.20/60,783.59 = 31,658.42/x
  3. Step 3: Cross multiply
    40,564.20x = 60,783.59 × 31,658.42
  4. Step 4: Simplify right side
    40,564.20x = 1,924,311,959.12
  5. Step 5: Solve for x
    x = 1,924,311,959.12/40,564.20
  6. Step 6: Final answer
    x = 47,438.68

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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.