Home / 37,389.51-51,600.60-21,479.09

Finding the Fourth Proportional to 37,389.51, 51,600.60 and 21,479.09

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Solution

The fourth proportional to 37,389.51, 51,600.60 and 21,479.09 is: 29,642.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,389.51 : 51,600.60 = 21,479.09 : x
  2. Step 2: Convert to fraction form
    37,389.51/51,600.60 = 21,479.09/x
  3. Step 3: Cross multiply
    37,389.51x = 51,600.60 × 21,479.09
  4. Step 4: Simplify right side
    37,389.51x = 1,108,333,673.45
  5. Step 5: Solve for x
    x = 1,108,333,673.45/37,389.51
  6. Step 6: Final answer
    x = 29,642.90

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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.