Home / 31,382.08-43,295.03-17,946.16

Finding the Fourth Proportional to 31,382.08, 43,295.03 and 17,946.16

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Solution

The fourth proportional to 31,382.08, 43,295.03 and 17,946.16 is: 24,758.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,382.08 : 43,295.03 = 17,946.16 : x
  2. Step 2: Convert to fraction form
    31,382.08/43,295.03 = 17,946.16/x
  3. Step 3: Cross multiply
    31,382.08x = 43,295.03 × 17,946.16
  4. Step 4: Simplify right side
    31,382.08x = 776,979,341.82
  5. Step 5: Solve for x
    x = 776,979,341.82/31,382.08
  6. Step 6: Final answer
    x = 24,758.69

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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.