Home / 31,583.40-43,585.54-17,436.20

Finding the Fourth Proportional to 31,583.40, 43,585.54 and 17,436.20

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Solution

The fourth proportional to 31,583.40, 43,585.54 and 17,436.20 is: 24,062.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,583.40 : 43,585.54 = 17,436.20 : x
  2. Step 2: Convert to fraction form
    31,583.40/43,585.54 = 17,436.20/x
  3. Step 3: Cross multiply
    31,583.40x = 43,585.54 × 17,436.20
  4. Step 4: Simplify right side
    31,583.40x = 759,966,192.55
  5. Step 5: Solve for x
    x = 759,966,192.55/31,583.40
  6. Step 6: Final answer
    x = 24,062.20

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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.