Home / 64,422.78-96,643.29-20,054.02

Finding the Fourth Proportional to 64,422.78, 96,643.29 and 20,054.02

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Solution

The fourth proportional to 64,422.78, 96,643.29 and 20,054.02 is: 30,083.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,422.78 : 96,643.29 = 20,054.02 : x
  2. Step 2: Convert to fraction form
    64,422.78/96,643.29 = 20,054.02/x
  3. Step 3: Cross multiply
    64,422.78x = 96,643.29 × 20,054.02
  4. Step 4: Simplify right side
    64,422.78x = 1,938,085,887.04
  5. Step 5: Solve for x
    x = 1,938,085,887.04/64,422.78
  6. Step 6: Final answer
    x = 30,083.86

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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.