Home / 50,921.40-70,305.80-38,963.37

Finding the Fourth Proportional to 50,921.40, 70,305.80 and 38,963.37

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Solution

The fourth proportional to 50,921.40, 70,305.80 and 38,963.37 is: 53,795.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,921.40 : 70,305.80 = 38,963.37 : x
  2. Step 2: Convert to fraction form
    50,921.40/70,305.80 = 38,963.37/x
  3. Step 3: Cross multiply
    50,921.40x = 70,305.80 × 38,963.37
  4. Step 4: Simplify right side
    50,921.40x = 2,739,350,703.73
  5. Step 5: Solve for x
    x = 2,739,350,703.73/50,921.40
  6. Step 6: Final answer
    x = 53,795.67

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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.