Home / 50,877.07-70,211.18-28,217

Finding the Fourth Proportional to 50,877.07, 70,211.18 and 28,217

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Solution

The fourth proportional to 50,877.07, 70,211.18 and 28,217 is: 38,939.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,877.07 : 70,211.18 = 28,217 : x
  2. Step 2: Convert to fraction form
    50,877.07/70,211.18 = 28,217/x
  3. Step 3: Cross multiply
    50,877.07x = 70,211.18 × 28,217
  4. Step 4: Simplify right side
    50,877.07x = 1,981,148,866.06
  5. Step 5: Solve for x
    x = 1,981,148,866.06/50,877.07
  6. Step 6: Final answer
    x = 38,939.92

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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.