Home / 50,688.06-75,999.69-21,126.30

Finding the Fourth Proportional to 50,688.06, 75,999.69 and 21,126.30

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Solution

The fourth proportional to 50,688.06, 75,999.69 and 21,126.30 is: 31,675.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,688.06 : 75,999.69 = 21,126.30 : x
  2. Step 2: Convert to fraction form
    50,688.06/75,999.69 = 21,126.30/x
  3. Step 3: Cross multiply
    50,688.06x = 75,999.69 × 21,126.30
  4. Step 4: Simplify right side
    50,688.06x = 1,605,592,250.85
  5. Step 5: Solve for x
    x = 1,605,592,250.85/50,688.06
  6. Step 6: Final answer
    x = 31,675.95

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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.