Home / 38,600.01-57,881.52-18,855.45

Finding the Fourth Proportional to 38,600.01, 57,881.52 and 18,855.45

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Solution

The fourth proportional to 38,600.01, 57,881.52 and 18,855.45 is: 28,274.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,600.01 : 57,881.52 = 18,855.45 : x
  2. Step 2: Convert to fraction form
    38,600.01/57,881.52 = 18,855.45/x
  3. Step 3: Cross multiply
    38,600.01x = 57,881.52 × 18,855.45
  4. Step 4: Simplify right side
    38,600.01x = 1,091,382,106.28
  5. Step 5: Solve for x
    x = 1,091,382,106.28/38,600.01
  6. Step 6: Final answer
    x = 28,274.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.