Home / 30,374.73-45,568.77-9,317.66

Finding the Fourth Proportional to 30,374.73, 45,568.77 and 9,317.66

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Solution

The fourth proportional to 30,374.73, 45,568.77 and 9,317.66 is: 13,978.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,374.73 : 45,568.77 = 9,317.66 : x
  2. Step 2: Convert to fraction form
    30,374.73/45,568.77 = 9,317.66/x
  3. Step 3: Cross multiply
    30,374.73x = 45,568.77 × 9,317.66
  4. Step 4: Simplify right side
    30,374.73x = 424,594,305.48
  5. Step 5: Solve for x
    x = 424,594,305.48/30,374.73
  6. Step 6: Final answer
    x = 13,978.54

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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.