Home / 32,438.09-44,756.91-19,690.95

Finding the Fourth Proportional to 32,438.09, 44,756.91 and 19,690.95

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Solution

The fourth proportional to 32,438.09, 44,756.91 and 19,690.95 is: 27,168.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,438.09 : 44,756.91 = 19,690.95 : x
  2. Step 2: Convert to fraction form
    32,438.09/44,756.91 = 19,690.95/x
  3. Step 3: Cross multiply
    32,438.09x = 44,756.91 × 19,690.95
  4. Step 4: Simplify right side
    32,438.09x = 881,306,076.96
  5. Step 5: Solve for x
    x = 881,306,076.96/32,438.09
  6. Step 6: Final answer
    x = 27,168.87

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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.