Home / 51,999.23-71,758.74-28,125.90

Finding the Fourth Proportional to 51,999.23, 71,758.74 and 28,125.90

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Solution

The fourth proportional to 51,999.23, 71,758.74 and 28,125.90 is: 38,813.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,999.23 : 71,758.74 = 28,125.90 : x
  2. Step 2: Convert to fraction form
    51,999.23/71,758.74 = 28,125.90/x
  3. Step 3: Cross multiply
    51,999.23x = 71,758.74 × 28,125.90
  4. Step 4: Simplify right side
    51,999.23x = 2,018,279,145.37
  5. Step 5: Solve for x
    x = 2,018,279,145.37/51,999.23
  6. Step 6: Final answer
    x = 38,813.64

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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.