Home / 50,825.70-70,139.88-28,165.07

Finding the Fourth Proportional to 50,825.70, 70,139.88 and 28,165.07

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Solution

The fourth proportional to 50,825.70, 70,139.88 and 28,165.07 is: 38,868.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,825.70 : 70,139.88 = 28,165.07 : x
  2. Step 2: Convert to fraction form
    50,825.70/70,139.88 = 28,165.07/x
  3. Step 3: Cross multiply
    50,825.70x = 70,139.88 × 28,165.07
  4. Step 4: Simplify right side
    50,825.70x = 1,975,494,313.82
  5. Step 5: Solve for x
    x = 1,975,494,313.82/50,825.70
  6. Step 6: Final answer
    x = 38,868.02

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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.