Home / 48,284.30-72,418.35-13,215.62

Finding the Fourth Proportional to 48,284.30, 72,418.35 and 13,215.62

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Solution

The fourth proportional to 48,284.30, 72,418.35 and 13,215.62 is: 19,821.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,284.30 : 72,418.35 = 13,215.62 : x
  2. Step 2: Convert to fraction form
    48,284.30/72,418.35 = 13,215.62/x
  3. Step 3: Cross multiply
    48,284.30x = 72,418.35 × 13,215.62
  4. Step 4: Simplify right side
    48,284.30x = 957,053,394.63
  5. Step 5: Solve for x
    x = 957,053,394.63/48,284.30
  6. Step 6: Final answer
    x = 19,821.21

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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.