Home / 103,647.13-155,475.56-33,531.91

Finding the Fourth Proportional to 103,647.13, 155,475.56 and 33,531.91

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Solution

The fourth proportional to 103,647.13, 155,475.56 and 33,531.91 is: 50,299.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,647.13 : 155,475.56 = 33,531.91 : x
  2. Step 2: Convert to fraction form
    103,647.13/155,475.56 = 33,531.91/x
  3. Step 3: Cross multiply
    103,647.13x = 155,475.56 × 33,531.91
  4. Step 4: Simplify right side
    103,647.13x = 5,213,392,485.12
  5. Step 5: Solve for x
    x = 5,213,392,485.12/103,647.13
  6. Step 6: Final answer
    x = 50,299.44

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1.5x scale

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.