Home / 47,042.48-70,563.74-20,765.68

Finding the Fourth Proportional to 47,042.48, 70,563.74 and 20,765.68

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Solution

The fourth proportional to 47,042.48, 70,563.74 and 20,765.68 is: 31,148.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,042.48 : 70,563.74 = 20,765.68 : x
  2. Step 2: Convert to fraction form
    47,042.48/70,563.74 = 20,765.68/x
  3. Step 3: Cross multiply
    47,042.48x = 70,563.74 × 20,765.68
  4. Step 4: Simplify right side
    47,042.48x = 1,465,304,044.44
  5. Step 5: Solve for x
    x = 1,465,304,044.44/47,042.48
  6. Step 6: Final answer
    x = 31,148.53

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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.