Home / 31,536.84-43,520.58-17,389.20

Finding the Fourth Proportional to 31,536.84, 43,520.58 and 17,389.20

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Solution

The fourth proportional to 31,536.84, 43,520.58 and 17,389.20 is: 23,996.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,536.84 : 43,520.58 = 17,389.20 : x
  2. Step 2: Convert to fraction form
    31,536.84/43,520.58 = 17,389.20/x
  3. Step 3: Cross multiply
    31,536.84x = 43,520.58 × 17,389.20
  4. Step 4: Simplify right side
    31,536.84x = 756,788,069.74
  5. Step 5: Solve for x
    x = 756,788,069.74/31,536.84
  6. Step 6: Final answer
    x = 23,996.95

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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.