Home / 38,113.70-52,596.93-20,885.99

Finding the Fourth Proportional to 38,113.70, 52,596.93 and 20,885.99

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Solution

The fourth proportional to 38,113.70, 52,596.93 and 20,885.99 is: 28,822.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,113.70 : 52,596.93 = 20,885.99 : x
  2. Step 2: Convert to fraction form
    38,113.70/52,596.93 = 20,885.99/x
  3. Step 3: Cross multiply
    38,113.70x = 52,596.93 × 20,885.99
  4. Step 4: Simplify right side
    38,113.70x = 1,098,538,954.01
  5. Step 5: Solve for x
    x = 1,098,538,954.01/38,113.70
  6. Step 6: Final answer
    x = 28,822.68

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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.