Home / 29,251.56-43,807.59-18,688.35

Finding the Fourth Proportional to 29,251.56, 43,807.59 and 18,688.35

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Solution

The fourth proportional to 29,251.56, 43,807.59 and 18,688.35 is: 27,987.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,251.56 : 43,807.59 = 18,688.35 : x
  2. Step 2: Convert to fraction form
    29,251.56/43,807.59 = 18,688.35/x
  3. Step 3: Cross multiply
    29,251.56x = 43,807.59 × 18,688.35
  4. Step 4: Simplify right side
    29,251.56x = 818,691,574.58
  5. Step 5: Solve for x
    x = 818,691,574.58/29,251.56
  6. Step 6: Final answer
    x = 27,987.96

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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.