Home / 42,845.04-64,281.60-27,031.80

Finding the Fourth Proportional to 42,845.04, 64,281.60 and 27,031.80

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Solution

The fourth proportional to 42,845.04, 64,281.60 and 27,031.80 is: 40,556.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,845.04 : 64,281.60 = 27,031.80 : x
  2. Step 2: Convert to fraction form
    42,845.04/64,281.60 = 27,031.80/x
  3. Step 3: Cross multiply
    42,845.04x = 64,281.60 × 27,031.80
  4. Step 4: Simplify right side
    42,845.04x = 1,737,647,354.88
  5. Step 5: Solve for x
    x = 1,737,647,354.88/42,845.04
  6. Step 6: Final answer
    x = 40,556.56

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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.