Home / 35,659.38-53,459.91-13,460.12

Finding the Fourth Proportional to 35,659.38, 53,459.91 and 13,460.12

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Solution

The fourth proportional to 35,659.38, 53,459.91 and 13,460.12 is: 20,179.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,659.38 : 53,459.91 = 13,460.12 : x
  2. Step 2: Convert to fraction form
    35,659.38/53,459.91 = 13,460.12/x
  3. Step 3: Cross multiply
    35,659.38x = 53,459.91 × 13,460.12
  4. Step 4: Simplify right side
    35,659.38x = 719,576,536.49
  5. Step 5: Solve for x
    x = 719,576,536.49/35,659.38
  6. Step 6: Final answer
    x = 20,179.17

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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.