Home / 61,976.63-92,913.14-28,720.53

Finding the Fourth Proportional to 61,976.63, 92,913.14 and 28,720.53

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Solution

The fourth proportional to 61,976.63, 92,913.14 and 28,720.53 is: 43,056.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,976.63 : 92,913.14 = 28,720.53 : x
  2. Step 2: Convert to fraction form
    61,976.63/92,913.14 = 28,720.53/x
  3. Step 3: Cross multiply
    61,976.63x = 92,913.14 × 28,720.53
  4. Step 4: Simplify right side
    61,976.63x = 2,668,514,696.57
  5. Step 5: Solve for x
    x = 2,668,514,696.57/61,976.63
  6. Step 6: Final answer
    x = 43,056.79

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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.