Home / 35,540.63-53,307.28-11,845.61

Finding the Fourth Proportional to 35,540.63, 53,307.28 and 11,845.61

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Solution

The fourth proportional to 35,540.63, 53,307.28 and 11,845.61 is: 17,767.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,540.63 : 53,307.28 = 11,845.61 : x
  2. Step 2: Convert to fraction form
    35,540.63/53,307.28 = 11,845.61/x
  3. Step 3: Cross multiply
    35,540.63x = 53,307.28 × 11,845.61
  4. Step 4: Simplify right side
    35,540.63x = 631,457,352.69
  5. Step 5: Solve for x
    x = 631,457,352.69/35,540.63
  6. Step 6: Final answer
    x = 17,767.20

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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.