Home / 54,353.58-81,529.55-18,840.75

Finding the Fourth Proportional to 54,353.58, 81,529.55 and 18,840.75

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Solution

The fourth proportional to 54,353.58, 81,529.55 and 18,840.75 is: 28,260.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,353.58 : 81,529.55 = 18,840.75 : x
  2. Step 2: Convert to fraction form
    54,353.58/81,529.55 = 18,840.75/x
  3. Step 3: Cross multiply
    54,353.58x = 81,529.55 × 18,840.75
  4. Step 4: Simplify right side
    54,353.58x = 1,536,077,461.51
  5. Step 5: Solve for x
    x = 1,536,077,461.51/54,353.58
  6. Step 6: Final answer
    x = 28,260.84

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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.