Home / 29,141.17-43,711.74-19,278.16

Finding the Fourth Proportional to 29,141.17, 43,711.74 and 19,278.16

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Solution

The fourth proportional to 29,141.17, 43,711.74 and 19,278.16 is: 28,917.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,141.17 : 43,711.74 = 19,278.16 : x
  2. Step 2: Convert to fraction form
    29,141.17/43,711.74 = 19,278.16/x
  3. Step 3: Cross multiply
    29,141.17x = 43,711.74 × 19,278.16
  4. Step 4: Simplify right side
    29,141.17x = 842,681,808.32
  5. Step 5: Solve for x
    x = 842,681,808.32/29,141.17
  6. Step 6: Final answer
    x = 28,917.23

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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.