Home / 31,706.04-43,756.80-17,560.20

Finding the Fourth Proportional to 31,706.04, 43,756.80 and 17,560.20

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Solution

The fourth proportional to 31,706.04, 43,756.80 and 17,560.20 is: 24,234.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,706.04 : 43,756.80 = 17,560.20 : x
  2. Step 2: Convert to fraction form
    31,706.04/43,756.80 = 17,560.20/x
  3. Step 3: Cross multiply
    31,706.04x = 43,756.80 × 17,560.20
  4. Step 4: Simplify right side
    31,706.04x = 768,378,159.36
  5. Step 5: Solve for x
    x = 768,378,159.36/31,706.04
  6. Step 6: Final answer
    x = 24,234.44

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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.