Home / 37,756.36-52,103.97-20,761.70

Finding the Fourth Proportional to 37,756.36, 52,103.97 and 20,761.70

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Solution

The fourth proportional to 37,756.36, 52,103.97 and 20,761.70 is: 28,651.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,756.36 : 52,103.97 = 20,761.70 : x
  2. Step 2: Convert to fraction form
    37,756.36/52,103.97 = 20,761.70/x
  3. Step 3: Cross multiply
    37,756.36x = 52,103.97 × 20,761.70
  4. Step 4: Simplify right side
    37,756.36x = 1,081,767,026.51
  5. Step 5: Solve for x
    x = 1,081,767,026.51/37,756.36
  6. Step 6: Final answer
    x = 28,651.25

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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.