Home / 56,955.12-85,434.24-15,402

Finding the Fourth Proportional to 56,955.12, 85,434.24 and 15,402

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Solution

The fourth proportional to 56,955.12, 85,434.24 and 15,402 is: 23,103.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,955.12 : 85,434.24 = 15,402 : x
  2. Step 2: Convert to fraction form
    56,955.12/85,434.24 = 15,402/x
  3. Step 3: Cross multiply
    56,955.12x = 85,434.24 × 15,402
  4. Step 4: Simplify right side
    56,955.12x = 1,315,858,164.48
  5. Step 5: Solve for x
    x = 1,315,858,164.48/56,955.12
  6. Step 6: Final answer
    x = 23,103.42

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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.