Home / 57,741.60-86,611.46-18,298.65

Finding the Fourth Proportional to 57,741.60, 86,611.46 and 18,298.65

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Solution

The fourth proportional to 57,741.60, 86,611.46 and 18,298.65 is: 27,447.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,741.60 : 86,611.46 = 18,298.65 : x
  2. Step 2: Convert to fraction form
    57,741.60/86,611.46 = 18,298.65/x
  3. Step 3: Cross multiply
    57,741.60x = 86,611.46 × 18,298.65
  4. Step 4: Simplify right side
    57,741.60x = 1,584,872,701.04
  5. Step 5: Solve for x
    x = 1,584,872,701.04/57,741.60
  6. Step 6: Final answer
    x = 27,447.68

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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.