Home / 64,291.22-96,445.95-19,921.46

Finding the Fourth Proportional to 64,291.22, 96,445.95 and 19,921.46

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Solution

The fourth proportional to 64,291.22, 96,445.95 and 19,921.46 is: 29,885.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,291.22 : 96,445.95 = 19,921.46 : x
  2. Step 2: Convert to fraction form
    64,291.22/96,445.95 = 19,921.46/x
  3. Step 3: Cross multiply
    64,291.22x = 96,445.95 × 19,921.46
  4. Step 4: Simplify right side
    64,291.22x = 1,921,344,135.09
  5. Step 5: Solve for x
    x = 1,921,344,135.09/64,291.22
  6. Step 6: Final answer
    x = 29,885.02

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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.