Home / 31,368.60-47,028.26-21,477.96

Finding the Fourth Proportional to 31,368.60, 47,028.26 and 21,477.96

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Solution

The fourth proportional to 31,368.60, 47,028.26 and 21,477.96 is: 32,200.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,368.60 : 47,028.26 = 21,477.96 : x
  2. Step 2: Convert to fraction form
    31,368.60/47,028.26 = 21,477.96/x
  3. Step 3: Cross multiply
    31,368.60x = 47,028.26 × 21,477.96
  4. Step 4: Simplify right side
    31,368.60x = 1,010,071,087.15
  5. Step 5: Solve for x
    x = 1,010,071,087.15/31,368.60
  6. Step 6: Final answer
    x = 32,200.07

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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.