Home / 45,237.20-62,448.72-30,155

Finding the Fourth Proportional to 45,237.20, 62,448.72 and 30,155

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Solution

The fourth proportional to 45,237.20, 62,448.72 and 30,155 is: 41,628.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,237.20 : 62,448.72 = 30,155 : x
  2. Step 2: Convert to fraction form
    45,237.20/62,448.72 = 30,155/x
  3. Step 3: Cross multiply
    45,237.20x = 62,448.72 × 30,155
  4. Step 4: Simplify right side
    45,237.20x = 1,883,141,151.60
  5. Step 5: Solve for x
    x = 1,883,141,151.60/45,237.20
  6. Step 6: Final answer
    x = 41,628.15

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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.