Home / 50,108.95-69,156.18-28,888.97

Finding the Fourth Proportional to 50,108.95, 69,156.18 and 28,888.97

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Solution

The fourth proportional to 50,108.95, 69,156.18 and 28,888.97 is: 39,870.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,108.95 : 69,156.18 = 28,888.97 : x
  2. Step 2: Convert to fraction form
    50,108.95/69,156.18 = 28,888.97/x
  3. Step 3: Cross multiply
    50,108.95x = 69,156.18 × 28,888.97
  4. Step 4: Simplify right side
    50,108.95x = 1,997,850,809.33
  5. Step 5: Solve for x
    x = 1,997,850,809.33/50,108.95
  6. Step 6: Final answer
    x = 39,870.14

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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.