Home / 50,900.14-70,242.36-28,239.58

Finding the Fourth Proportional to 50,900.14, 70,242.36 and 28,239.58

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Solution

The fourth proportional to 50,900.14, 70,242.36 and 28,239.58 is: 38,970.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,900.14 : 70,242.36 = 28,239.58 : x
  2. Step 2: Convert to fraction form
    50,900.14/70,242.36 = 28,239.58/x
  3. Step 3: Cross multiply
    50,900.14x = 70,242.36 × 28,239.58
  4. Step 4: Simplify right side
    50,900.14x = 1,983,614,744.61
  5. Step 5: Solve for x
    x = 1,983,614,744.61/50,900.14
  6. Step 6: Final answer
    x = 38,970.71

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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.