Home / 46,438.07-69,657.10-18,716.63

Finding the Fourth Proportional to 46,438.07, 69,657.10 and 18,716.63

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Solution

The fourth proportional to 46,438.07, 69,657.10 and 18,716.63 is: 28,074.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,438.07 : 69,657.10 = 18,716.63 : x
  2. Step 2: Convert to fraction form
    46,438.07/69,657.10 = 18,716.63/x
  3. Step 3: Cross multiply
    46,438.07x = 69,657.10 × 18,716.63
  4. Step 4: Simplify right side
    46,438.07x = 1,303,745,772.50
  5. Step 5: Solve for x
    x = 1,303,745,772.50/46,438.07
  6. Step 6: Final answer
    x = 28,074.94

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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.