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Finding the Fourth Proportional to 35,102.88, 48,441.95 and 19,187.32

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Solution

The fourth proportional to 35,102.88, 48,441.95 and 19,187.32 is: 26,478.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,102.88 : 48,441.95 = 19,187.32 : x
  2. Step 2: Convert to fraction form
    35,102.88/48,441.95 = 19,187.32/x
  3. Step 3: Cross multiply
    35,102.88x = 48,441.95 × 19,187.32
  4. Step 4: Simplify right side
    35,102.88x = 929,471,100.14
  5. Step 5: Solve for x
    x = 929,471,100.14/35,102.88
  6. Step 6: Final answer
    x = 26,478.49

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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.