Home / 31,551.12-43,541.01-17,403.66

Finding the Fourth Proportional to 31,551.12, 43,541.01 and 17,403.66

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Solution

The fourth proportional to 31,551.12, 43,541.01 and 17,403.66 is: 24,017.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,551.12 : 43,541.01 = 17,403.66 : x
  2. Step 2: Convert to fraction form
    31,551.12/43,541.01 = 17,403.66/x
  3. Step 3: Cross multiply
    31,551.12x = 43,541.01 × 17,403.66
  4. Step 4: Simplify right side
    31,551.12x = 757,772,934.10
  5. Step 5: Solve for x
    x = 757,772,934.10/31,551.12
  6. Step 6: Final answer
    x = 24,017.31

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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.