Home / 33,934.72-51,130.90-28,140.16

Finding the Fourth Proportional to 33,934.72, 51,130.90 and 28,140.16

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Solution

The fourth proportional to 33,934.72, 51,130.90 and 28,140.16 is: 42,399.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,934.72 : 51,130.90 = 28,140.16 : x
  2. Step 2: Convert to fraction form
    33,934.72/51,130.90 = 28,140.16/x
  3. Step 3: Cross multiply
    33,934.72x = 51,130.90 × 28,140.16
  4. Step 4: Simplify right side
    33,934.72x = 1,438,831,706.94
  5. Step 5: Solve for x
    x = 1,438,831,706.94/33,934.72
  6. Step 6: Final answer
    x = 42,399.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.