Home / 69,868.37-96,418.76-38,037.20

Finding the Fourth Proportional to 69,868.37, 96,418.76 and 38,037.20

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Solution

The fourth proportional to 69,868.37, 96,418.76 and 38,037.20 is: 52,491.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,868.37 : 96,418.76 = 38,037.20 : x
  2. Step 2: Convert to fraction form
    69,868.37/96,418.76 = 38,037.20/x
  3. Step 3: Cross multiply
    69,868.37x = 96,418.76 × 38,037.20
  4. Step 4: Simplify right side
    69,868.37x = 3,667,498,985.59
  5. Step 5: Solve for x
    x = 3,667,498,985.59/69,868.37
  6. Step 6: Final answer
    x = 52,491.55

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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.