Home / 35,515.16-53,272.73-12,141.80

Finding the Fourth Proportional to 35,515.16, 53,272.73 and 12,141.80

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Solution

The fourth proportional to 35,515.16, 53,272.73 and 12,141.80 is: 18,212.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,515.16 : 53,272.73 = 12,141.80 : x
  2. Step 2: Convert to fraction form
    35,515.16/53,272.73 = 12,141.80/x
  3. Step 3: Cross multiply
    35,515.16x = 53,272.73 × 12,141.80
  4. Step 4: Simplify right side
    35,515.16x = 646,826,833.11
  5. Step 5: Solve for x
    x = 646,826,833.11/35,515.16
  6. Step 6: Final answer
    x = 18,212.70

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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.