Home / 38,531.39-57,800.93-10,451.90

Finding the Fourth Proportional to 38,531.39, 57,800.93 and 10,451.90

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Solution

The fourth proportional to 38,531.39, 57,800.93 and 10,451.90 is: 15,678.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,531.39 : 57,800.93 = 10,451.90 : x
  2. Step 2: Convert to fraction form
    38,531.39/57,800.93 = 10,451.90/x
  3. Step 3: Cross multiply
    38,531.39x = 57,800.93 × 10,451.90
  4. Step 4: Simplify right side
    38,531.39x = 604,129,632.51
  5. Step 5: Solve for x
    x = 604,129,632.51/38,531.39
  6. Step 6: Final answer
    x = 15,678.90

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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.