Home / 31,532.63-43,515.16-17,385.17

Finding the Fourth Proportional to 31,532.63, 43,515.16 and 17,385.17

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Solution

The fourth proportional to 31,532.63, 43,515.16 and 17,385.17 is: 23,991.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,532.63 : 43,515.16 = 17,385.17 : x
  2. Step 2: Convert to fraction form
    31,532.63/43,515.16 = 17,385.17/x
  3. Step 3: Cross multiply
    31,532.63x = 43,515.16 × 17,385.17
  4. Step 4: Simplify right side
    31,532.63x = 756,518,193.14
  5. Step 5: Solve for x
    x = 756,518,193.14/31,532.63
  6. Step 6: Final answer
    x = 23,991.60

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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.