Home / 65,265.23-97,888.10-20,887.36

Finding the Fourth Proportional to 65,265.23, 97,888.10 and 20,887.36

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Solution

The fourth proportional to 65,265.23, 97,888.10 and 20,887.36 is: 31,327.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,265.23 : 97,888.10 = 20,887.36 : x
  2. Step 2: Convert to fraction form
    65,265.23/97,888.10 = 20,887.36/x
  3. Step 3: Cross multiply
    65,265.23x = 97,888.10 × 20,887.36
  4. Step 4: Simplify right side
    65,265.23x = 2,044,623,635.26
  5. Step 5: Solve for x
    x = 2,044,623,635.26/65,265.23
  6. Step 6: Final answer
    x = 31,327.91

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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.