Home / 64,965.61-97,460.30-19,986.13

Finding the Fourth Proportional to 64,965.61, 97,460.30 and 19,986.13

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Solution

The fourth proportional to 64,965.61, 97,460.30 and 19,986.13 is: 29,982.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,965.61 : 97,460.30 = 19,986.13 : x
  2. Step 2: Convert to fraction form
    64,965.61/97,460.30 = 19,986.13/x
  3. Step 3: Cross multiply
    64,965.61x = 97,460.30 × 19,986.13
  4. Step 4: Simplify right side
    64,965.61x = 1,947,854,225.64
  5. Step 5: Solve for x
    x = 1,947,854,225.64/64,965.61
  6. Step 6: Final answer
    x = 29,982.85

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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.