Home / 48,290.84-72,394.38-18,688.30

Finding the Fourth Proportional to 48,290.84, 72,394.38 and 18,688.30

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Solution

The fourth proportional to 48,290.84, 72,394.38 and 18,688.30 is: 28,016.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,290.84 : 72,394.38 = 18,688.30 : x
  2. Step 2: Convert to fraction form
    48,290.84/72,394.38 = 18,688.30/x
  3. Step 3: Cross multiply
    48,290.84x = 72,394.38 × 18,688.30
  4. Step 4: Simplify right side
    48,290.84x = 1,352,927,891.75
  5. Step 5: Solve for x
    x = 1,352,927,891.75/48,290.84
  6. Step 6: Final answer
    x = 28,016.24

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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.