Home / 31,232.40-46,796.76-21,978.96

Finding the Fourth Proportional to 31,232.40, 46,796.76 and 21,978.96

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Solution

The fourth proportional to 31,232.40, 46,796.76 and 21,978.96 is: 32,931.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,232.40 : 46,796.76 = 21,978.96 : x
  2. Step 2: Convert to fraction form
    31,232.40/46,796.76 = 21,978.96/x
  3. Step 3: Cross multiply
    31,232.40x = 46,796.76 × 21,978.96
  4. Step 4: Simplify right side
    31,232.40x = 1,028,544,116.17
  5. Step 5: Solve for x
    x = 1,028,544,116.17/31,232.40
  6. Step 6: Final answer
    x = 32,931.96

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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.