Home / 38,112.50-52,596.83-21,345.62

Finding the Fourth Proportional to 38,112.50, 52,596.83 and 21,345.62

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Solution

The fourth proportional to 38,112.50, 52,596.83 and 21,345.62 is: 29,457.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,112.50 : 52,596.83 = 21,345.62 : x
  2. Step 2: Convert to fraction form
    38,112.50/52,596.83 = 21,345.62/x
  3. Step 3: Cross multiply
    38,112.50x = 52,596.83 × 21,345.62
  4. Step 4: Simplify right side
    38,112.50x = 1,122,711,576.67
  5. Step 5: Solve for x
    x = 1,122,711,576.67/38,112.50
  6. Step 6: Final answer
    x = 29,457.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.