Home / 29,320.80-43,980.82-7,134.19

Finding the Fourth Proportional to 29,320.80, 43,980.82 and 7,134.19

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Solution

The fourth proportional to 29,320.80, 43,980.82 and 7,134.19 is: 10,701.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,320.80 : 43,980.82 = 7,134.19 : x
  2. Step 2: Convert to fraction form
    29,320.80/43,980.82 = 7,134.19/x
  3. Step 3: Cross multiply
    29,320.80x = 43,980.82 × 7,134.19
  4. Step 4: Simplify right side
    29,320.80x = 313,767,526.24
  5. Step 5: Solve for x
    x = 313,767,526.24/29,320.80
  6. Step 6: Final answer
    x = 10,701.19

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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.