Home / 50,801.18-70,104.90-28,140.10

Finding the Fourth Proportional to 50,801.18, 70,104.90 and 28,140.10

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Solution

The fourth proportional to 50,801.18, 70,104.90 and 28,140.10 is: 38,832.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,801.18 : 70,104.90 = 28,140.10 : x
  2. Step 2: Convert to fraction form
    50,801.18/70,104.90 = 28,140.10/x
  3. Step 3: Cross multiply
    50,801.18x = 70,104.90 × 28,140.10
  4. Step 4: Simplify right side
    50,801.18x = 1,972,758,896.49
  5. Step 5: Solve for x
    x = 1,972,758,896.49/50,801.18
  6. Step 6: Final answer
    x = 38,832.93

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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.