Home / 32,742.57-45,190.18-19,317.12

Finding the Fourth Proportional to 32,742.57, 45,190.18 and 19,317.12

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Solution

The fourth proportional to 32,742.57, 45,190.18 and 19,317.12 is: 26,660.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,742.57 : 45,190.18 = 19,317.12 : x
  2. Step 2: Convert to fraction form
    32,742.57/45,190.18 = 19,317.12/x
  3. Step 3: Cross multiply
    32,742.57x = 45,190.18 × 19,317.12
  4. Step 4: Simplify right side
    32,742.57x = 872,944,129.88
  5. Step 5: Solve for x
    x = 872,944,129.88/32,742.57
  6. Step 6: Final answer
    x = 26,660.83

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.