Home / 33,085.28-45,647.34-18,935.40

Finding the Fourth Proportional to 33,085.28, 45,647.34 and 18,935.40

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Solution

The fourth proportional to 33,085.28, 45,647.34 and 18,935.40 is: 26,124.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,085.28 : 45,647.34 = 18,935.40 : x
  2. Step 2: Convert to fraction form
    33,085.28/45,647.34 = 18,935.40/x
  3. Step 3: Cross multiply
    33,085.28x = 45,647.34 × 18,935.40
  4. Step 4: Simplify right side
    33,085.28x = 864,350,641.84
  5. Step 5: Solve for x
    x = 864,350,641.84/33,085.28
  6. Step 6: Final answer
    x = 26,124.93

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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.