Home / 31,288.60-47,066.09-28,362.33

Finding the Fourth Proportional to 31,288.60, 47,066.09 and 28,362.33

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Solution

The fourth proportional to 31,288.60, 47,066.09 and 28,362.33 is: 42,664.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,288.60 : 47,066.09 = 28,362.33 : x
  2. Step 2: Convert to fraction form
    31,288.60/47,066.09 = 28,362.33/x
  3. Step 3: Cross multiply
    31,288.60x = 47,066.09 × 28,362.33
  4. Step 4: Simplify right side
    31,288.60x = 1,334,903,834.58
  5. Step 5: Solve for x
    x = 1,334,903,834.58/31,288.60
  6. Step 6: Final answer
    x = 42,664.22

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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.