Home / 31,626.44-43,636.58-18,011.40

Finding the Fourth Proportional to 31,626.44, 43,636.58 and 18,011.40

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Solution

The fourth proportional to 31,626.44, 43,636.58 and 18,011.40 is: 24,851.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,626.44 : 43,636.58 = 18,011.40 : x
  2. Step 2: Convert to fraction form
    31,626.44/43,636.58 = 18,011.40/x
  3. Step 3: Cross multiply
    31,626.44x = 43,636.58 × 18,011.40
  4. Step 4: Simplify right side
    31,626.44x = 785,955,897.01
  5. Step 5: Solve for x
    x = 785,955,897.01/31,626.44
  6. Step 6: Final answer
    x = 24,851.23

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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.