Home / 35,486.64-48,980.12-21,336.75

Finding the Fourth Proportional to 35,486.64, 48,980.12 and 21,336.75

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Solution

The fourth proportional to 35,486.64, 48,980.12 and 21,336.75 is: 29,449.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,486.64 : 48,980.12 = 21,336.75 : x
  2. Step 2: Convert to fraction form
    35,486.64/48,980.12 = 21,336.75/x
  3. Step 3: Cross multiply
    35,486.64x = 48,980.12 × 21,336.75
  4. Step 4: Simplify right side
    35,486.64x = 1,045,076,468.73
  5. Step 5: Solve for x
    x = 1,045,076,468.73/35,486.64
  6. Step 6: Final answer
    x = 29,449.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.