Home / 45,419.68-62,678.64-25,276.48

Finding the Fourth Proportional to 45,419.68, 62,678.64 and 25,276.48

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Solution

The fourth proportional to 45,419.68, 62,678.64 and 25,276.48 is: 34,881.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,419.68 : 62,678.64 = 25,276.48 : x
  2. Step 2: Convert to fraction form
    45,419.68/62,678.64 = 25,276.48/x
  3. Step 3: Cross multiply
    45,419.68x = 62,678.64 × 25,276.48
  4. Step 4: Simplify right side
    45,419.68x = 1,584,295,390.39
  5. Step 5: Solve for x
    x = 1,584,295,390.39/45,419.68
  6. Step 6: Final answer
    x = 34,881.25

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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.