Home / 31,583.60-43,585.08-17,436.80

Finding the Fourth Proportional to 31,583.60, 43,585.08 and 17,436.80

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Solution

The fourth proportional to 31,583.60, 43,585.08 and 17,436.80 is: 24,062.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,583.60 : 43,585.08 = 17,436.80 : x
  2. Step 2: Convert to fraction form
    31,583.60/43,585.08 = 17,436.80/x
  3. Step 3: Cross multiply
    31,583.60x = 43,585.08 × 17,436.80
  4. Step 4: Simplify right side
    31,583.60x = 759,984,322.94
  5. Step 5: Solve for x
    x = 759,984,322.94/31,583.60
  6. Step 6: Final answer
    x = 24,062.62

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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.