Home / 50,877.62-70,211.51-28,215.34

Finding the Fourth Proportional to 50,877.62, 70,211.51 and 28,215.34

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Solution

The fourth proportional to 50,877.62, 70,211.51 and 28,215.34 is: 38,937.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,877.62 : 70,211.51 = 28,215.34 : x
  2. Step 2: Convert to fraction form
    50,877.62/70,211.51 = 28,215.34/x
  3. Step 3: Cross multiply
    50,877.62x = 70,211.51 × 28,215.34
  4. Step 4: Simplify right side
    50,877.62x = 1,981,041,415.77
  5. Step 5: Solve for x
    x = 1,981,041,415.77/50,877.62
  6. Step 6: Final answer
    x = 38,937.38

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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.