Home / 48,396.11-72,566.25-18,779.34

Finding the Fourth Proportional to 48,396.11, 72,566.25 and 18,779.34

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Solution

The fourth proportional to 48,396.11, 72,566.25 and 18,779.34 is: 28,158.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,396.11 : 72,566.25 = 18,779.34 : x
  2. Step 2: Convert to fraction form
    48,396.11/72,566.25 = 18,779.34/x
  3. Step 3: Cross multiply
    48,396.11x = 72,566.25 × 18,779.34
  4. Step 4: Simplify right side
    48,396.11x = 1,362,746,281.28
  5. Step 5: Solve for x
    x = 1,362,746,281.28/48,396.11
  6. Step 6: Final answer
    x = 28,158.18

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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.