Home / 45,032.28-67,549.35-13,867.50

Finding the Fourth Proportional to 45,032.28, 67,549.35 and 13,867.50

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Solution

The fourth proportional to 45,032.28, 67,549.35 and 13,867.50 is: 20,801.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,032.28 : 67,549.35 = 13,867.50 : x
  2. Step 2: Convert to fraction form
    45,032.28/67,549.35 = 13,867.50/x
  3. Step 3: Cross multiply
    45,032.28x = 67,549.35 × 13,867.50
  4. Step 4: Simplify right side
    45,032.28x = 936,740,611.13
  5. Step 5: Solve for x
    x = 936,740,611.13/45,032.28
  6. Step 6: Final answer
    x = 20,801.54

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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.