Home / 35,571.56-53,331.38-20,557.50

Finding the Fourth Proportional to 35,571.56, 53,331.38 and 20,557.50

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Solution

The fourth proportional to 35,571.56, 53,331.38 and 20,557.50 is: 30,821.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,571.56 : 53,331.38 = 20,557.50 : x
  2. Step 2: Convert to fraction form
    35,571.56/53,331.38 = 20,557.50/x
  3. Step 3: Cross multiply
    35,571.56x = 53,331.38 × 20,557.50
  4. Step 4: Simplify right side
    35,571.56x = 1,096,359,618.66
  5. Step 5: Solve for x
    x = 1,096,359,618.66/35,571.56
  6. Step 6: Final answer
    x = 30,821.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.