Home / 54,263.28-81,519.96-52,021.32

Finding the Fourth Proportional to 54,263.28, 81,519.96 and 52,021.32

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Solution

The fourth proportional to 54,263.28, 81,519.96 and 52,021.32 is: 78,151.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,263.28 : 81,519.96 = 52,021.32 : x
  2. Step 2: Convert to fraction form
    54,263.28/81,519.96 = 52,021.32/x
  3. Step 3: Cross multiply
    54,263.28x = 81,519.96 × 52,021.32
  4. Step 4: Simplify right side
    54,263.28x = 4,240,775,925.55
  5. Step 5: Solve for x
    x = 4,240,775,925.55/54,263.28
  6. Step 6: Final answer
    x = 78,151.85

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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.