Home / 62,768.28-86,625.54-34,479.84

Finding the Fourth Proportional to 62,768.28, 86,625.54 and 34,479.84

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Solution

The fourth proportional to 62,768.28, 86,625.54 and 34,479.84 is: 47,585.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,768.28 : 86,625.54 = 34,479.84 : x
  2. Step 2: Convert to fraction form
    62,768.28/86,625.54 = 34,479.84/x
  3. Step 3: Cross multiply
    62,768.28x = 86,625.54 × 34,479.84
  4. Step 4: Simplify right side
    62,768.28x = 2,986,834,759.11
  5. Step 5: Solve for x
    x = 2,986,834,759.11/62,768.28
  6. Step 6: Final answer
    x = 47,585.10

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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.