Home / 31,541.52-43,524-18,110.16

Finding the Fourth Proportional to 31,541.52, 43,524 and 18,110.16

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Solution

The fourth proportional to 31,541.52, 43,524 and 18,110.16 is: 24,990.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,541.52 : 43,524 = 18,110.16 : x
  2. Step 2: Convert to fraction form
    31,541.52/43,524 = 18,110.16/x
  3. Step 3: Cross multiply
    31,541.52x = 43,524 × 18,110.16
  4. Step 4: Simplify right side
    31,541.52x = 788,226,603.84
  5. Step 5: Solve for x
    x = 788,226,603.84/31,541.52
  6. Step 6: Final answer
    x = 24,990.13

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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.