Home / 34,437.03-47,509.38-21,007.23

Finding the Fourth Proportional to 34,437.03, 47,509.38 and 21,007.23

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Solution

The fourth proportional to 34,437.03, 47,509.38 and 21,007.23 is: 28,981.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,437.03 : 47,509.38 = 21,007.23 : x
  2. Step 2: Convert to fraction form
    34,437.03/47,509.38 = 21,007.23/x
  3. Step 3: Cross multiply
    34,437.03x = 47,509.38 × 21,007.23
  4. Step 4: Simplify right side
    34,437.03x = 998,040,472.82
  5. Step 5: Solve for x
    x = 998,040,472.82/34,437.03
  6. Step 6: Final answer
    x = 28,981.61

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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.