Home / 32,868.56-45,355-20,124.95

Finding the Fourth Proportional to 32,868.56, 45,355 and 20,124.95

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Solution

The fourth proportional to 32,868.56, 45,355 and 20,124.95 is: 27,770.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,868.56 : 45,355 = 20,124.95 : x
  2. Step 2: Convert to fraction form
    32,868.56/45,355 = 20,124.95/x
  3. Step 3: Cross multiply
    32,868.56x = 45,355 × 20,124.95
  4. Step 4: Simplify right side
    32,868.56x = 912,767,107.25
  5. Step 5: Solve for x
    x = 912,767,107.25/32,868.56
  6. Step 6: Final answer
    x = 27,770.22

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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.