Home / 64,221.36-88,610.94-40,339.32

Finding the Fourth Proportional to 64,221.36, 88,610.94 and 40,339.32

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Solution

The fourth proportional to 64,221.36, 88,610.94 and 40,339.32 is: 55,659.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,221.36 : 88,610.94 = 40,339.32 : x
  2. Step 2: Convert to fraction form
    64,221.36/88,610.94 = 40,339.32/x
  3. Step 3: Cross multiply
    64,221.36x = 88,610.94 × 40,339.32
  4. Step 4: Simplify right side
    64,221.36x = 3,574,505,064.16
  5. Step 5: Solve for x
    x = 3,574,505,064.16/64,221.36
  6. Step 6: Final answer
    x = 55,659.13

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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.