Home / 68,640.04-94,725.35-38,425.24

Finding the Fourth Proportional to 68,640.04, 94,725.35 and 38,425.24

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Solution

The fourth proportional to 68,640.04, 94,725.35 and 38,425.24 is: 53,028.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,640.04 : 94,725.35 = 38,425.24 : x
  2. Step 2: Convert to fraction form
    68,640.04/94,725.35 = 38,425.24/x
  3. Step 3: Cross multiply
    68,640.04x = 94,725.35 × 38,425.24
  4. Step 4: Simplify right side
    68,640.04x = 3,639,844,307.83
  5. Step 5: Solve for x
    x = 3,639,844,307.83/68,640.04
  6. Step 6: Final answer
    x = 53,028.00

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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.