Home / 31,280.20-46,904.10-11,548.60

Finding the Fourth Proportional to 31,280.20, 46,904.10 and 11,548.60

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Solution

The fourth proportional to 31,280.20, 46,904.10 and 11,548.60 is: 17,316.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,280.20 : 46,904.10 = 11,548.60 : x
  2. Step 2: Convert to fraction form
    31,280.20/46,904.10 = 11,548.60/x
  3. Step 3: Cross multiply
    31,280.20x = 46,904.10 × 11,548.60
  4. Step 4: Simplify right side
    31,280.20x = 541,676,689.26
  5. Step 5: Solve for x
    x = 541,676,689.26/31,280.20
  6. Step 6: Final answer
    x = 17,316.92

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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.