Home / 36,999.60-51,064.44-20,870.22

Finding the Fourth Proportional to 36,999.60, 51,064.44 and 20,870.22

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Solution

The fourth proportional to 36,999.60, 51,064.44 and 20,870.22 is: 28,803.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,999.60 : 51,064.44 = 20,870.22 : x
  2. Step 2: Convert to fraction form
    36,999.60/51,064.44 = 20,870.22/x
  3. Step 3: Cross multiply
    36,999.60x = 51,064.44 × 20,870.22
  4. Step 4: Simplify right side
    36,999.60x = 1,065,725,961.61
  5. Step 5: Solve for x
    x = 1,065,725,961.61/36,999.60
  6. Step 6: Final answer
    x = 28,803.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.