Home / 46,281.21-69,449.60-19,985.95

Finding the Fourth Proportional to 46,281.21, 69,449.60 and 19,985.95

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Solution

The fourth proportional to 46,281.21, 69,449.60 and 19,985.95 is: 29,990.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,281.21 : 69,449.60 = 19,985.95 : x
  2. Step 2: Convert to fraction form
    46,281.21/69,449.60 = 19,985.95/x
  3. Step 3: Cross multiply
    46,281.21x = 69,449.60 × 19,985.95
  4. Step 4: Simplify right side
    46,281.21x = 1,388,016,233.12
  5. Step 5: Solve for x
    x = 1,388,016,233.12/46,281.21
  6. Step 6: Final answer
    x = 29,990.92

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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.