Home / 31,693.01-47,536.40-8,319.44

Finding the Fourth Proportional to 31,693.01, 47,536.40 and 8,319.44

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Solution

The fourth proportional to 31,693.01, 47,536.40 and 8,319.44 is: 12,478.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,693.01 : 47,536.40 = 8,319.44 : x
  2. Step 2: Convert to fraction form
    31,693.01/47,536.40 = 8,319.44/x
  3. Step 3: Cross multiply
    31,693.01x = 47,536.40 × 8,319.44
  4. Step 4: Simplify right side
    31,693.01x = 395,475,948.34
  5. Step 5: Solve for x
    x = 395,475,948.34/31,693.01
  6. Step 6: Final answer
    x = 12,478.34

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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.