Home / 90,392.04-135,587.37-27,211.86

Finding the Fourth Proportional to 90,392.04, 135,587.37 and 27,211.86

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Solution

The fourth proportional to 90,392.04, 135,587.37 and 27,211.86 is: 40,817.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,392.04 : 135,587.37 = 27,211.86 : x
  2. Step 2: Convert to fraction form
    90,392.04/135,587.37 = 27,211.86/x
  3. Step 3: Cross multiply
    90,392.04x = 135,587.37 × 27,211.86
  4. Step 4: Simplify right side
    90,392.04x = 3,689,584,530.21
  5. Step 5: Solve for x
    x = 3,689,584,530.21/90,392.04
  6. Step 6: Final answer
    x = 40,817.58

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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.