Home / 31,113.68-46,666.14-8,928.94

Finding the Fourth Proportional to 31,113.68, 46,666.14 and 8,928.94

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Solution

The fourth proportional to 31,113.68, 46,666.14 and 8,928.94 is: 13,392.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,113.68 : 46,666.14 = 8,928.94 : x
  2. Step 2: Convert to fraction form
    31,113.68/46,666.14 = 8,928.94/x
  3. Step 3: Cross multiply
    31,113.68x = 46,666.14 × 8,928.94
  4. Step 4: Simplify right side
    31,113.68x = 416,679,164.09
  5. Step 5: Solve for x
    x = 416,679,164.09/31,113.68
  6. Step 6: Final answer
    x = 13,392.15

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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.