Home / 38,070.71-57,113.35-11,770.82

Finding the Fourth Proportional to 38,070.71, 57,113.35 and 11,770.82

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Solution

The fourth proportional to 38,070.71, 57,113.35 and 11,770.82 is: 17,658.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,070.71 : 57,113.35 = 11,770.82 : x
  2. Step 2: Convert to fraction form
    38,070.71/57,113.35 = 11,770.82/x
  3. Step 3: Cross multiply
    38,070.71x = 57,113.35 × 11,770.82
  4. Step 4: Simplify right side
    38,070.71x = 672,270,962.45
  5. Step 5: Solve for x
    x = 672,270,962.45/38,070.71
  6. Step 6: Final answer
    x = 17,658.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.