Home / 30,634.32-42,244.20-28,848.44

Finding the Fourth Proportional to 30,634.32, 42,244.20 and 28,848.44

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Solution

The fourth proportional to 30,634.32, 42,244.20 and 28,848.44 is: 39,781.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,634.32 : 42,244.20 = 28,848.44 : x
  2. Step 2: Convert to fraction form
    30,634.32/42,244.20 = 28,848.44/x
  3. Step 3: Cross multiply
    30,634.32x = 42,244.20 × 28,848.44
  4. Step 4: Simplify right side
    30,634.32x = 1,218,679,269.05
  5. Step 5: Solve for x
    x = 1,218,679,269.05/30,634.32
  6. Step 6: Final answer
    x = 39,781.50

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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.