Home / 71,661.64-107,505.39-29,518.72

Finding the Fourth Proportional to 71,661.64, 107,505.39 and 29,518.72

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Solution

The fourth proportional to 71,661.64, 107,505.39 and 29,518.72 is: 44,283.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,661.64 : 107,505.39 = 29,518.72 : x
  2. Step 2: Convert to fraction form
    71,661.64/107,505.39 = 29,518.72/x
  3. Step 3: Cross multiply
    71,661.64x = 107,505.39 × 29,518.72
  4. Step 4: Simplify right side
    71,661.64x = 3,173,421,505.90
  5. Step 5: Solve for x
    x = 3,173,421,505.90/71,661.64
  6. Step 6: Final answer
    x = 44,283.41

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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.