Home / 61,539.67-92,311.40-19,420.12

Finding the Fourth Proportional to 61,539.67, 92,311.40 and 19,420.12

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Solution

The fourth proportional to 61,539.67, 92,311.40 and 19,420.12 is: 29,130.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,539.67 : 92,311.40 = 19,420.12 : x
  2. Step 2: Convert to fraction form
    61,539.67/92,311.40 = 19,420.12/x
  3. Step 3: Cross multiply
    61,539.67x = 92,311.40 × 19,420.12
  4. Step 4: Simplify right side
    61,539.67x = 1,792,698,465.37
  5. Step 5: Solve for x
    x = 1,792,698,465.37/61,539.67
  6. Step 6: Final answer
    x = 29,130.78

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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.