Home / 37,139.80-55,547.70-33,219.40

Finding the Fourth Proportional to 37,139.80, 55,547.70 and 33,219.40

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Solution

The fourth proportional to 37,139.80, 55,547.70 and 33,219.40 is: 49,684.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,139.80 : 55,547.70 = 33,219.40 : x
  2. Step 2: Convert to fraction form
    37,139.80/55,547.70 = 33,219.40/x
  3. Step 3: Cross multiply
    37,139.80x = 55,547.70 × 33,219.40
  4. Step 4: Simplify right side
    37,139.80x = 1,845,261,265.38
  5. Step 5: Solve for x
    x = 1,845,261,265.38/37,139.80
  6. Step 6: Final answer
    x = 49,684.20

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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.