Home / 50,720.63-69,992.54-28,060.58

Finding the Fourth Proportional to 50,720.63, 69,992.54 and 28,060.58

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Solution

The fourth proportional to 50,720.63, 69,992.54 and 28,060.58 is: 38,722.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,720.63 : 69,992.54 = 28,060.58 : x
  2. Step 2: Convert to fraction form
    50,720.63/69,992.54 = 28,060.58/x
  3. Step 3: Cross multiply
    50,720.63x = 69,992.54 × 28,060.58
  4. Step 4: Simplify right side
    50,720.63x = 1,964,031,132.65
  5. Step 5: Solve for x
    x = 1,964,031,132.65/50,720.63
  6. Step 6: Final answer
    x = 38,722.53

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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.