Home / 32,777.32-45,230.26-20,202.28

Finding the Fourth Proportional to 32,777.32, 45,230.26 and 20,202.28

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Solution

The fourth proportional to 32,777.32, 45,230.26 and 20,202.28 is: 27,877.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,777.32 : 45,230.26 = 20,202.28 : x
  2. Step 2: Convert to fraction form
    32,777.32/45,230.26 = 20,202.28/x
  3. Step 3: Cross multiply
    32,777.32x = 45,230.26 × 20,202.28
  4. Step 4: Simplify right side
    32,777.32x = 913,754,376.99
  5. Step 5: Solve for x
    x = 913,754,376.99/32,777.32
  6. Step 6: Final answer
    x = 27,877.64

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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.