Home / 35,982.40-49,821.60-34,139.20

Finding the Fourth Proportional to 35,982.40, 49,821.60 and 34,139.20

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Solution

The fourth proportional to 35,982.40, 49,821.60 and 34,139.20 is: 47,269.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,982.40 : 49,821.60 = 34,139.20 : x
  2. Step 2: Convert to fraction form
    35,982.40/49,821.60 = 34,139.20/x
  3. Step 3: Cross multiply
    35,982.40x = 49,821.60 × 34,139.20
  4. Step 4: Simplify right side
    35,982.40x = 1,700,869,566.72
  5. Step 5: Solve for x
    x = 1,700,869,566.72/35,982.40
  6. Step 6: Final answer
    x = 47,269.49

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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.