Home / 35,761.59-49,350.53-19,845.70

Finding the Fourth Proportional to 35,761.59, 49,350.53 and 19,845.70

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Solution

The fourth proportional to 35,761.59, 49,350.53 and 19,845.70 is: 27,386.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,761.59 : 49,350.53 = 19,845.70 : x
  2. Step 2: Convert to fraction form
    35,761.59/49,350.53 = 19,845.70/x
  3. Step 3: Cross multiply
    35,761.59x = 49,350.53 × 19,845.70
  4. Step 4: Simplify right side
    35,761.59x = 979,395,739.46
  5. Step 5: Solve for x
    x = 979,395,739.46/35,761.59
  6. Step 6: Final answer
    x = 27,386.81

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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.