Home / 35,187.05-48,550.34-20,839.71

Finding the Fourth Proportional to 35,187.05, 48,550.34 and 20,839.71

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Solution

The fourth proportional to 35,187.05, 48,550.34 and 20,839.71 is: 28,754.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,187.05 : 48,550.34 = 20,839.71 : x
  2. Step 2: Convert to fraction form
    35,187.05/48,550.34 = 20,839.71/x
  3. Step 3: Cross multiply
    35,187.05x = 48,550.34 × 20,839.71
  4. Step 4: Simplify right side
    35,187.05x = 1,011,774,901.80
  5. Step 5: Solve for x
    x = 1,011,774,901.80/35,187.05
  6. Step 6: Final answer
    x = 28,754.19

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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.