Home / 69,868.74-96,420.88-38,038.18

Finding the Fourth Proportional to 69,868.74, 96,420.88 and 38,038.18

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Solution

The fourth proportional to 69,868.74, 96,420.88 and 38,038.18 is: 52,493.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,868.74 : 96,420.88 = 38,038.18 : x
  2. Step 2: Convert to fraction form
    69,868.74/96,420.88 = 38,038.18/x
  3. Step 3: Cross multiply
    69,868.74x = 96,420.88 × 38,038.18
  4. Step 4: Simplify right side
    69,868.74x = 3,667,674,789.20
  5. Step 5: Solve for x
    x = 3,667,674,789.20/69,868.74
  6. Step 6: Final answer
    x = 52,493.79

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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.