Home / 54,516.08-81,729.44-28,228.32

Finding the Fourth Proportional to 54,516.08, 81,729.44 and 28,228.32

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Solution

The fourth proportional to 54,516.08, 81,729.44 and 28,228.32 is: 42,319.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,516.08 : 81,729.44 = 28,228.32 : x
  2. Step 2: Convert to fraction form
    54,516.08/81,729.44 = 28,228.32/x
  3. Step 3: Cross multiply
    54,516.08x = 81,729.44 × 28,228.32
  4. Step 4: Simplify right side
    54,516.08x = 2,307,084,785.74
  5. Step 5: Solve for x
    x = 2,307,084,785.74/54,516.08
  6. Step 6: Final answer
    x = 42,319.34

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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.