Home / 31,971.60-47,957.40-9,785.03

Finding the Fourth Proportional to 31,971.60, 47,957.40 and 9,785.03

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Solution

The fourth proportional to 31,971.60, 47,957.40 and 9,785.03 is: 14,677.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,971.60 : 47,957.40 = 9,785.03 : x
  2. Step 2: Convert to fraction form
    31,971.60/47,957.40 = 9,785.03/x
  3. Step 3: Cross multiply
    31,971.60x = 47,957.40 × 9,785.03
  4. Step 4: Simplify right side
    31,971.60x = 469,264,357.94
  5. Step 5: Solve for x
    x = 469,264,357.94/31,971.60
  6. Step 6: Final answer
    x = 14,677.54

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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.