Home / 35,535.51-49,025.25-20,425.77

Finding the Fourth Proportional to 35,535.51, 49,025.25 and 20,425.77

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Solution

The fourth proportional to 35,535.51, 49,025.25 and 20,425.77 is: 28,179.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,535.51 : 49,025.25 = 20,425.77 : x
  2. Step 2: Convert to fraction form
    35,535.51/49,025.25 = 20,425.77/x
  3. Step 3: Cross multiply
    35,535.51x = 49,025.25 × 20,425.77
  4. Step 4: Simplify right side
    35,535.51x = 1,001,378,480.69
  5. Step 5: Solve for x
    x = 1,001,378,480.69/35,535.51
  6. Step 6: Final answer
    x = 28,179.66

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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.