Home / 37,305.54-51,486.56-21,386.91

Finding the Fourth Proportional to 37,305.54, 51,486.56 and 21,386.91

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Solution

The fourth proportional to 37,305.54, 51,486.56 and 21,386.91 is: 29,516.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,305.54 : 51,486.56 = 21,386.91 : x
  2. Step 2: Convert to fraction form
    37,305.54/51,486.56 = 21,386.91/x
  3. Step 3: Cross multiply
    37,305.54x = 51,486.56 × 21,386.91
  4. Step 4: Simplify right side
    37,305.54x = 1,101,138,424.93
  5. Step 5: Solve for x
    x = 1,101,138,424.93/37,305.54
  6. Step 6: Final answer
    x = 29,516.75

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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.