Home / 37,148.34-51,252.23-21,221.51

Finding the Fourth Proportional to 37,148.34, 51,252.23 and 21,221.51

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Solution

The fourth proportional to 37,148.34, 51,252.23 and 21,221.51 is: 29,278.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,148.34 : 51,252.23 = 21,221.51 : x
  2. Step 2: Convert to fraction form
    37,148.34/51,252.23 = 21,221.51/x
  3. Step 3: Cross multiply
    37,148.34x = 51,252.23 × 21,221.51
  4. Step 4: Simplify right side
    37,148.34x = 1,087,649,349.10
  5. Step 5: Solve for x
    x = 1,087,649,349.10/37,148.34
  6. Step 6: Final answer
    x = 29,278.55

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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.