Home / 61,302.01-91,941.47-19,175.78

Finding the Fourth Proportional to 61,302.01, 91,941.47 and 19,175.78

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Solution

The fourth proportional to 61,302.01, 91,941.47 and 19,175.78 is: 28,760.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,302.01 : 91,941.47 = 19,175.78 : x
  2. Step 2: Convert to fraction form
    61,302.01/91,941.47 = 19,175.78/x
  3. Step 3: Cross multiply
    61,302.01x = 91,941.47 × 19,175.78
  4. Step 4: Simplify right side
    61,302.01x = 1,763,048,941.89
  5. Step 5: Solve for x
    x = 1,763,048,941.89/61,302.01
  6. Step 6: Final answer
    x = 28,760.05

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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.