Home / 50,507.68-69,701.52-28,149.28

Finding the Fourth Proportional to 50,507.68, 69,701.52 and 28,149.28

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Solution

The fourth proportional to 50,507.68, 69,701.52 and 28,149.28 is: 38,846.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,507.68 : 69,701.52 = 28,149.28 : x
  2. Step 2: Convert to fraction form
    50,507.68/69,701.52 = 28,149.28/x
  3. Step 3: Cross multiply
    50,507.68x = 69,701.52 × 28,149.28
  4. Step 4: Simplify right side
    50,507.68x = 1,962,047,602.91
  5. Step 5: Solve for x
    x = 1,962,047,602.91/50,507.68
  6. Step 6: Final answer
    x = 38,846.52

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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.