Home / 50,803.13-70,108.31-28,143.59

Finding the Fourth Proportional to 50,803.13, 70,108.31 and 28,143.59

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Solution

The fourth proportional to 50,803.13, 70,108.31 and 28,143.59 is: 38,838.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,803.13 : 70,108.31 = 28,143.59 : x
  2. Step 2: Convert to fraction form
    50,803.13/70,108.31 = 28,143.59/x
  3. Step 3: Cross multiply
    50,803.13x = 70,108.31 × 28,143.59
  4. Step 4: Simplify right side
    50,803.13x = 1,973,099,040.97
  5. Step 5: Solve for x
    x = 1,973,099,040.97/50,803.13
  6. Step 6: Final answer
    x = 38,838.14

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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.