Home / 50,805.72-70,110.90-28,146.24

Finding the Fourth Proportional to 50,805.72, 70,110.90 and 28,146.24

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Solution

The fourth proportional to 50,805.72, 70,110.90 and 28,146.24 is: 38,841.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,805.72 : 70,110.90 = 28,146.24 : x
  2. Step 2: Convert to fraction form
    50,805.72/70,110.90 = 28,146.24/x
  3. Step 3: Cross multiply
    50,805.72x = 70,110.90 × 28,146.24
  4. Step 4: Simplify right side
    50,805.72x = 1,973,358,218.02
  5. Step 5: Solve for x
    x = 1,973,358,218.02/50,805.72
  6. Step 6: Final answer
    x = 38,841.26

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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.