Home / 50,801.68-70,103.23-28,139.35

Finding the Fourth Proportional to 50,801.68, 70,103.23 and 28,139.35

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Solution

The fourth proportional to 50,801.68, 70,103.23 and 28,139.35 is: 38,830.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,801.68 : 70,103.23 = 28,139.35 : x
  2. Step 2: Convert to fraction form
    50,801.68/70,103.23 = 28,139.35/x
  3. Step 3: Cross multiply
    50,801.68x = 70,103.23 × 28,139.35
  4. Step 4: Simplify right side
    50,801.68x = 1,972,659,325.10
  5. Step 5: Solve for x
    x = 1,972,659,325.10/50,801.68
  6. Step 6: Final answer
    x = 38,830.59

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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.