Home / 49,513.10-68,321.95-31,618.58

Finding the Fourth Proportional to 49,513.10, 68,321.95 and 31,618.58

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Solution

The fourth proportional to 49,513.10, 68,321.95 and 31,618.58 is: 43,629.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,513.10 : 68,321.95 = 31,618.58 : x
  2. Step 2: Convert to fraction form
    49,513.10/68,321.95 = 31,618.58/x
  3. Step 3: Cross multiply
    49,513.10x = 68,321.95 × 31,618.58
  4. Step 4: Simplify right side
    49,513.10x = 2,160,242,621.17
  5. Step 5: Solve for x
    x = 2,160,242,621.17/49,513.10
  6. Step 6: Final answer
    x = 43,629.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.