Home / 45,028-62,142.48-25,159.84

Finding the Fourth Proportional to 45,028, 62,142.48 and 25,159.84

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Solution

The fourth proportional to 45,028, 62,142.48 and 25,159.84 is: 34,722.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,028 : 62,142.48 = 25,159.84 : x
  2. Step 2: Convert to fraction form
    45,028/62,142.48 = 25,159.84/x
  3. Step 3: Cross multiply
    45,028x = 62,142.48 × 25,159.84
  4. Step 4: Simplify right side
    45,028x = 1,563,494,854.00
  5. Step 5: Solve for x
    x = 1,563,494,854.00/45,028
  6. Step 6: Final answer
    x = 34,722.72

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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.