Home / 55,071.45-75,997.67-29,920.77

Finding the Fourth Proportional to 55,071.45, 75,997.67 and 29,920.77

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Solution

The fourth proportional to 55,071.45, 75,997.67 and 29,920.77 is: 41,290.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,071.45 : 75,997.67 = 29,920.77 : x
  2. Step 2: Convert to fraction form
    55,071.45/75,997.67 = 29,920.77/x
  3. Step 3: Cross multiply
    55,071.45x = 75,997.67 × 29,920.77
  4. Step 4: Simplify right side
    55,071.45x = 2,273,908,655.00
  5. Step 5: Solve for x
    x = 2,273,908,655.00/55,071.45
  6. Step 6: Final answer
    x = 41,290.15

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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.