Home / 42,578.76-58,720.32-26,664.60

Finding the Fourth Proportional to 42,578.76, 58,720.32 and 26,664.60

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Solution

The fourth proportional to 42,578.76, 58,720.32 and 26,664.60 is: 36,773.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,578.76 : 58,720.32 = 26,664.60 : x
  2. Step 2: Convert to fraction form
    42,578.76/58,720.32 = 26,664.60/x
  3. Step 3: Cross multiply
    42,578.76x = 58,720.32 × 26,664.60
  4. Step 4: Simplify right side
    42,578.76x = 1,565,753,844.67
  5. Step 5: Solve for x
    x = 1,565,753,844.67/42,578.76
  6. Step 6: Final answer
    x = 36,773.12

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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.