Home / 42,151.22-58,150.41-25,374.50

Finding the Fourth Proportional to 42,151.22, 58,150.41 and 25,374.50

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Solution

The fourth proportional to 42,151.22, 58,150.41 and 25,374.50 is: 35,005.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,151.22 : 58,150.41 = 25,374.50 : x
  2. Step 2: Convert to fraction form
    42,151.22/58,150.41 = 25,374.50/x
  3. Step 3: Cross multiply
    42,151.22x = 58,150.41 × 25,374.50
  4. Step 4: Simplify right side
    42,151.22x = 1,475,537,578.55
  5. Step 5: Solve for x
    x = 1,475,537,578.55/42,151.22
  6. Step 6: Final answer
    x = 35,005.81

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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.