Home / 51,390.51-70,928.24-29,883.30

Finding the Fourth Proportional to 51,390.51, 70,928.24 and 29,883.30

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Solution

The fourth proportional to 51,390.51, 70,928.24 and 29,883.30 is: 41,244.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,390.51 : 70,928.24 = 29,883.30 : x
  2. Step 2: Convert to fraction form
    51,390.51/70,928.24 = 29,883.30/x
  3. Step 3: Cross multiply
    51,390.51x = 70,928.24 × 29,883.30
  4. Step 4: Simplify right side
    51,390.51x = 2,119,569,724.98
  5. Step 5: Solve for x
    x = 2,119,569,724.98/51,390.51
  6. Step 6: Final answer
    x = 41,244.38

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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.