Home / 46,675.39-69,980.04-21,688.87

Finding the Fourth Proportional to 46,675.39, 69,980.04 and 21,688.87

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Solution

The fourth proportional to 46,675.39, 69,980.04 and 21,688.87 is: 32,517.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,675.39 : 69,980.04 = 21,688.87 : x
  2. Step 2: Convert to fraction form
    46,675.39/69,980.04 = 21,688.87/x
  3. Step 3: Cross multiply
    46,675.39x = 69,980.04 × 21,688.87
  4. Step 4: Simplify right side
    46,675.39x = 1,517,787,990.15
  5. Step 5: Solve for x
    x = 1,517,787,990.15/46,675.39
  6. Step 6: Final answer
    x = 32,517.95

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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.