Home / 61,904.90-92,862.52-19,790.98

Finding the Fourth Proportional to 61,904.90, 92,862.52 and 19,790.98

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Solution

The fourth proportional to 61,904.90, 92,862.52 and 19,790.98 is: 29,688.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,904.90 : 92,862.52 = 19,790.98 : x
  2. Step 2: Convert to fraction form
    61,904.90/92,862.52 = 19,790.98/x
  3. Step 3: Cross multiply
    61,904.90x = 92,862.52 × 19,790.98
  4. Step 4: Simplify right side
    61,904.90x = 1,837,839,994.44
  5. Step 5: Solve for x
    x = 1,837,839,994.44/61,904.90
  6. Step 6: Final answer
    x = 29,688.12

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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.