Home / 50,712.95-69,982.54-28,051.38

Finding the Fourth Proportional to 50,712.95, 69,982.54 and 28,051.38

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Solution

The fourth proportional to 50,712.95, 69,982.54 and 28,051.38 is: 38,710.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,712.95 : 69,982.54 = 28,051.38 : x
  2. Step 2: Convert to fraction form
    50,712.95/69,982.54 = 28,051.38/x
  3. Step 3: Cross multiply
    50,712.95x = 69,982.54 × 28,051.38
  4. Step 4: Simplify right side
    50,712.95x = 1,963,106,752.78
  5. Step 5: Solve for x
    x = 1,963,106,752.78/50,712.95
  6. Step 6: Final answer
    x = 38,710.16

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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.