Home / 45,115.06-62,259.52-28,126.17

Finding the Fourth Proportional to 45,115.06, 62,259.52 and 28,126.17

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Solution

The fourth proportional to 45,115.06, 62,259.52 and 28,126.17 is: 38,814.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,115.06 : 62,259.52 = 28,126.17 : x
  2. Step 2: Convert to fraction form
    45,115.06/62,259.52 = 28,126.17/x
  3. Step 3: Cross multiply
    45,115.06x = 62,259.52 × 28,126.17
  4. Step 4: Simplify right side
    45,115.06x = 1,751,121,826.06
  5. Step 5: Solve for x
    x = 1,751,121,826.06/45,115.06
  6. Step 6: Final answer
    x = 38,814.57

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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.