Home / 33,236.13-45,857.65-20,312.10

Finding the Fourth Proportional to 33,236.13, 45,857.65 and 20,312.10

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Solution

The fourth proportional to 33,236.13, 45,857.65 and 20,312.10 is: 28,025.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,236.13 : 45,857.65 = 20,312.10 : x
  2. Step 2: Convert to fraction form
    33,236.13/45,857.65 = 20,312.10/x
  3. Step 3: Cross multiply
    33,236.13x = 45,857.65 × 20,312.10
  4. Step 4: Simplify right side
    33,236.13x = 931,465,395.31
  5. Step 5: Solve for x
    x = 931,465,395.31/33,236.13
  6. Step 6: Final answer
    x = 28,025.69

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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.