Home / 36,117.14-54,140.16-21,105.21

Finding the Fourth Proportional to 36,117.14, 54,140.16 and 21,105.21

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Solution

The fourth proportional to 36,117.14, 54,140.16 and 21,105.21 is: 31,637.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,117.14 : 54,140.16 = 21,105.21 : x
  2. Step 2: Convert to fraction form
    36,117.14/54,140.16 = 21,105.21/x
  3. Step 3: Cross multiply
    36,117.14x = 54,140.16 × 21,105.21
  4. Step 4: Simplify right side
    36,117.14x = 1,142,639,175.53
  5. Step 5: Solve for x
    x = 1,142,639,175.53/36,117.14
  6. Step 6: Final answer
    x = 31,637.04

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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.