Home / 31,367.62-43,307.22-19,437.94

Finding the Fourth Proportional to 31,367.62, 43,307.22 and 19,437.94

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Solution

The fourth proportional to 31,367.62, 43,307.22 and 19,437.94 is: 26,836.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,367.62 : 43,307.22 = 19,437.94 : x
  2. Step 2: Convert to fraction form
    31,367.62/43,307.22 = 19,437.94/x
  3. Step 3: Cross multiply
    31,367.62x = 43,307.22 × 19,437.94
  4. Step 4: Simplify right side
    31,367.62x = 841,803,143.93
  5. Step 5: Solve for x
    x = 841,803,143.93/31,367.62
  6. Step 6: Final answer
    x = 26,836.69

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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.