Home / 33,112.53-45,679.95-18,957.78

Finding the Fourth Proportional to 33,112.53, 45,679.95 and 18,957.78

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Solution

The fourth proportional to 33,112.53, 45,679.95 and 18,957.78 is: 26,152.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,112.53 : 45,679.95 = 18,957.78 : x
  2. Step 2: Convert to fraction form
    33,112.53/45,679.95 = 18,957.78/x
  3. Step 3: Cross multiply
    33,112.53x = 45,679.95 × 18,957.78
  4. Step 4: Simplify right side
    33,112.53x = 865,990,442.51
  5. Step 5: Solve for x
    x = 865,990,442.51/33,112.53
  6. Step 6: Final answer
    x = 26,152.95

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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.