Home / 64,877.13-97,307.33-20,508.37

Finding the Fourth Proportional to 64,877.13, 97,307.33 and 20,508.37

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Solution

The fourth proportional to 64,877.13, 97,307.33 and 20,508.37 is: 30,759.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,877.13 : 97,307.33 = 20,508.37 : x
  2. Step 2: Convert to fraction form
    64,877.13/97,307.33 = 20,508.37/x
  3. Step 3: Cross multiply
    64,877.13x = 97,307.33 × 20,508.37
  4. Step 4: Simplify right side
    64,877.13x = 1,995,614,381.54
  5. Step 5: Solve for x
    x = 1,995,614,381.54/64,877.13
  6. Step 6: Final answer
    x = 30,759.91

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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.