Home / 61,835.13-92,629.04-28,509.57

Finding the Fourth Proportional to 61,835.13, 92,629.04 and 28,509.57

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Solution

The fourth proportional to 61,835.13, 92,629.04 and 28,509.57 is: 42,707.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,835.13 : 92,629.04 = 28,509.57 : x
  2. Step 2: Convert to fraction form
    61,835.13/92,629.04 = 28,509.57/x
  3. Step 3: Cross multiply
    61,835.13x = 92,629.04 × 28,509.57
  4. Step 4: Simplify right side
    61,835.13x = 2,640,813,957.36
  5. Step 5: Solve for x
    x = 2,640,813,957.36/61,835.13
  6. Step 6: Final answer
    x = 42,707.34

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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.