Home / 37,139.22-55,718.04-18,428.08

Finding the Fourth Proportional to 37,139.22, 55,718.04 and 18,428.08

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Solution

The fourth proportional to 37,139.22, 55,718.04 and 18,428.08 is: 27,646.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,139.22 : 55,718.04 = 18,428.08 : x
  2. Step 2: Convert to fraction form
    37,139.22/55,718.04 = 18,428.08/x
  3. Step 3: Cross multiply
    37,139.22x = 55,718.04 × 18,428.08
  4. Step 4: Simplify right side
    37,139.22x = 1,026,776,498.56
  5. Step 5: Solve for x
    x = 1,026,776,498.56/37,139.22
  6. Step 6: Final answer
    x = 27,646.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.