Home / 31,677.58-47,521.24-11,955.70

Finding the Fourth Proportional to 31,677.58, 47,521.24 and 11,955.70

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Solution

The fourth proportional to 31,677.58, 47,521.24 and 11,955.70 is: 17,935.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,677.58 : 47,521.24 = 11,955.70 : x
  2. Step 2: Convert to fraction form
    31,677.58/47,521.24 = 11,955.70/x
  3. Step 3: Cross multiply
    31,677.58x = 47,521.24 × 11,955.70
  4. Step 4: Simplify right side
    31,677.58x = 568,149,689.07
  5. Step 5: Solve for x
    x = 568,149,689.07/31,677.58
  6. Step 6: Final answer
    x = 17,935.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.