Home / 36,009.45-53,886.60-31,380.30

Finding the Fourth Proportional to 36,009.45, 53,886.60 and 31,380.30

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Solution

The fourth proportional to 36,009.45, 53,886.60 and 31,380.30 is: 46,959.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,009.45 : 53,886.60 = 31,380.30 : x
  2. Step 2: Convert to fraction form
    36,009.45/53,886.60 = 31,380.30/x
  3. Step 3: Cross multiply
    36,009.45x = 53,886.60 × 31,380.30
  4. Step 4: Simplify right side
    36,009.45x = 1,690,977,673.98
  5. Step 5: Solve for x
    x = 1,690,977,673.98/36,009.45
  6. Step 6: Final answer
    x = 46,959.28

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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.