Home / 50,741.76-70,019.46-28,080.30

Finding the Fourth Proportional to 50,741.76, 70,019.46 and 28,080.30

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Solution

The fourth proportional to 50,741.76, 70,019.46 and 28,080.30 is: 38,748.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,741.76 : 70,019.46 = 28,080.30 : x
  2. Step 2: Convert to fraction form
    50,741.76/70,019.46 = 28,080.30/x
  3. Step 3: Cross multiply
    50,741.76x = 70,019.46 × 28,080.30
  4. Step 4: Simplify right side
    50,741.76x = 1,966,167,442.64
  5. Step 5: Solve for x
    x = 1,966,167,442.64/50,741.76
  6. Step 6: Final answer
    x = 38,748.51

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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.