Home / 31,328.28-46,999.62-13,799.46

Finding the Fourth Proportional to 31,328.28, 46,999.62 and 13,799.46

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Solution

The fourth proportional to 31,328.28, 46,999.62 and 13,799.46 is: 20,702.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,328.28 : 46,999.62 = 13,799.46 : x
  2. Step 2: Convert to fraction form
    31,328.28/46,999.62 = 13,799.46/x
  3. Step 3: Cross multiply
    31,328.28x = 46,999.62 × 13,799.46
  4. Step 4: Simplify right side
    31,328.28x = 648,569,376.21
  5. Step 5: Solve for x
    x = 648,569,376.21/31,328.28
  6. Step 6: Final answer
    x = 20,702.36

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1.5x scale

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.