Home / 29,320.12-43,980.21-7,133.50

Finding the Fourth Proportional to 29,320.12, 43,980.21 and 7,133.50

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Solution

The fourth proportional to 29,320.12, 43,980.21 and 7,133.50 is: 10,700.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,320.12 : 43,980.21 = 7,133.50 : x
  2. Step 2: Convert to fraction form
    29,320.12/43,980.21 = 7,133.50/x
  3. Step 3: Cross multiply
    29,320.12x = 43,980.21 × 7,133.50
  4. Step 4: Simplify right side
    29,320.12x = 313,732,608.13
  5. Step 5: Solve for x
    x = 313,732,608.13/29,320.12
  6. Step 6: Final answer
    x = 10,700.25

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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.