Home / 31,366.08-43,284.16-17,937.12

Finding the Fourth Proportional to 31,366.08, 43,284.16 and 17,937.12

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Solution

The fourth proportional to 31,366.08, 43,284.16 and 17,937.12 is: 24,752.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,366.08 : 43,284.16 = 17,937.12 : x
  2. Step 2: Convert to fraction form
    31,366.08/43,284.16 = 17,937.12/x
  3. Step 3: Cross multiply
    31,366.08x = 43,284.16 × 17,937.12
  4. Step 4: Simplify right side
    31,366.08x = 776,393,172.02
  5. Step 5: Solve for x
    x = 776,393,172.02/31,366.08
  6. Step 6: Final answer
    x = 24,752.64

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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.