Home / 37,856.58-52,239.92-21,720.48

Finding the Fourth Proportional to 37,856.58, 52,239.92 and 21,720.48

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Solution

The fourth proportional to 37,856.58, 52,239.92 and 21,720.48 is: 29,973.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,856.58 : 52,239.92 = 21,720.48 : x
  2. Step 2: Convert to fraction form
    37,856.58/52,239.92 = 21,720.48/x
  3. Step 3: Cross multiply
    37,856.58x = 52,239.92 × 21,720.48
  4. Step 4: Simplify right side
    37,856.58x = 1,134,676,137.56
  5. Step 5: Solve for x
    x = 1,134,676,137.56/37,856.58
  6. Step 6: Final answer
    x = 29,973.02

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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.