Home / 31,706.48-43,754.40-17,559.02

Finding the Fourth Proportional to 31,706.48, 43,754.40 and 17,559.02

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Solution

The fourth proportional to 31,706.48, 43,754.40 and 17,559.02 is: 24,231.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,706.48 : 43,754.40 = 17,559.02 : x
  2. Step 2: Convert to fraction form
    31,706.48/43,754.40 = 17,559.02/x
  3. Step 3: Cross multiply
    31,706.48x = 43,754.40 × 17,559.02
  4. Step 4: Simplify right side
    31,706.48x = 768,284,494.07
  5. Step 5: Solve for x
    x = 768,284,494.07/31,706.48
  6. Step 6: Final answer
    x = 24,231.15

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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.