Home / 35,813.07-53,719.61-13,621.32

Finding the Fourth Proportional to 35,813.07, 53,719.61 and 13,621.32

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Solution

The fourth proportional to 35,813.07, 53,719.61 and 13,621.32 is: 20,431.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,813.07 : 53,719.61 = 13,621.32 : x
  2. Step 2: Convert to fraction form
    35,813.07/53,719.61 = 13,621.32/x
  3. Step 3: Cross multiply
    35,813.07x = 53,719.61 × 13,621.32
  4. Step 4: Simplify right side
    35,813.07x = 731,731,929.98
  5. Step 5: Solve for x
    x = 731,731,929.98/35,813.07
  6. Step 6: Final answer
    x = 20,431.98

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Similar ratio
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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.