Home / 30,298.76-45,394.38-25,871.48

Finding the Fourth Proportional to 30,298.76, 45,394.38 and 25,871.48

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Solution

The fourth proportional to 30,298.76, 45,394.38 and 25,871.48 is: 38,761.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,298.76 : 45,394.38 = 25,871.48 : x
  2. Step 2: Convert to fraction form
    30,298.76/45,394.38 = 25,871.48/x
  3. Step 3: Cross multiply
    30,298.76x = 45,394.38 × 25,871.48
  4. Step 4: Simplify right side
    30,298.76x = 1,174,419,794.28
  5. Step 5: Solve for x
    x = 1,174,419,794.28/30,298.76
  6. Step 6: Final answer
    x = 38,761.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.