Home / 37,406.08-51,618.56-21,479.36

Finding the Fourth Proportional to 37,406.08, 51,618.56 and 21,479.36

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Solution

The fourth proportional to 37,406.08, 51,618.56 and 21,479.36 is: 29,640.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,406.08 : 51,618.56 = 21,479.36 : x
  2. Step 2: Convert to fraction form
    37,406.08/51,618.56 = 21,479.36/x
  3. Step 3: Cross multiply
    37,406.08x = 51,618.56 × 21,479.36
  4. Step 4: Simplify right side
    37,406.08x = 1,108,733,632.92
  5. Step 5: Solve for x
    x = 1,108,733,632.92/37,406.08
  6. Step 6: Final answer
    x = 29,640.47

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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.