Home / 34,868.02-48,112.86-20,519.32

Finding the Fourth Proportional to 34,868.02, 48,112.86 and 20,519.32

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Solution

The fourth proportional to 34,868.02, 48,112.86 and 20,519.32 is: 28,313.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,868.02 : 48,112.86 = 20,519.32 : x
  2. Step 2: Convert to fraction form
    34,868.02/48,112.86 = 20,519.32/x
  3. Step 3: Cross multiply
    34,868.02x = 48,112.86 × 20,519.32
  4. Step 4: Simplify right side
    34,868.02x = 987,243,170.46
  5. Step 5: Solve for x
    x = 987,243,170.46/34,868.02
  6. Step 6: Final answer
    x = 28,313.71

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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.