Home / 29,320.96-43,980.81-7,134.45

Finding the Fourth Proportional to 29,320.96, 43,980.81 and 7,134.45

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Solution

The fourth proportional to 29,320.96, 43,980.81 and 7,134.45 is: 10,701.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,320.96 : 43,980.81 = 7,134.45 : x
  2. Step 2: Convert to fraction form
    29,320.96/43,980.81 = 7,134.45/x
  3. Step 3: Cross multiply
    29,320.96x = 43,980.81 × 7,134.45
  4. Step 4: Simplify right side
    29,320.96x = 313,778,889.90
  5. Step 5: Solve for x
    x = 313,778,889.90/29,320.96
  6. Step 6: Final answer
    x = 10,701.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.