Home / 35,423.12-53,128.52-13,236.68

Finding the Fourth Proportional to 35,423.12, 53,128.52 and 13,236.68

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Solution

The fourth proportional to 35,423.12, 53,128.52 and 13,236.68 is: 19,852.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,423.12 : 53,128.52 = 13,236.68 : x
  2. Step 2: Convert to fraction form
    35,423.12/53,128.52 = 13,236.68/x
  3. Step 3: Cross multiply
    35,423.12x = 53,128.52 × 13,236.68
  4. Step 4: Simplify right side
    35,423.12x = 703,245,218.11
  5. Step 5: Solve for x
    x = 703,245,218.11/35,423.12
  6. Step 6: Final answer
    x = 19,852.72

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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.