Home / 30,847.30-42,568.94-17,417.77

Finding the Fourth Proportional to 30,847.30, 42,568.94 and 17,417.77

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Solution

The fourth proportional to 30,847.30, 42,568.94 and 17,417.77 is: 24,036.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,847.30 : 42,568.94 = 17,417.77 : x
  2. Step 2: Convert to fraction form
    30,847.30/42,568.94 = 17,417.77/x
  3. Step 3: Cross multiply
    30,847.30x = 42,568.94 × 17,417.77
  4. Step 4: Simplify right side
    30,847.30x = 741,455,943.19
  5. Step 5: Solve for x
    x = 741,455,943.19/30,847.30
  6. Step 6: Final answer
    x = 24,036.33

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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.