Home / 31,583.78-43,585.34-17,436.32

Finding the Fourth Proportional to 31,583.78, 43,585.34 and 17,436.32

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Solution

The fourth proportional to 31,583.78, 43,585.34 and 17,436.32 is: 24,061.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,583.78 : 43,585.34 = 17,436.32 : x
  2. Step 2: Convert to fraction form
    31,583.78/43,585.34 = 17,436.32/x
  3. Step 3: Cross multiply
    31,583.78x = 43,585.34 × 17,436.32
  4. Step 4: Simplify right side
    31,583.78x = 759,967,935.55
  5. Step 5: Solve for x
    x = 759,967,935.55/31,583.78
  6. Step 6: Final answer
    x = 24,061.97

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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.