Home / 32,876.26-45,356.49-20,937.46

Finding the Fourth Proportional to 32,876.26, 45,356.49 and 20,937.46

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Solution

The fourth proportional to 32,876.26, 45,356.49 and 20,937.46 is: 28,885.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,876.26 : 45,356.49 = 20,937.46 : x
  2. Step 2: Convert to fraction form
    32,876.26/45,356.49 = 20,937.46/x
  3. Step 3: Cross multiply
    32,876.26x = 45,356.49 × 20,937.46
  4. Step 4: Simplify right side
    32,876.26x = 949,649,695.12
  5. Step 5: Solve for x
    x = 949,649,695.12/32,876.26
  6. Step 6: Final answer
    x = 28,885.58

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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.