Home / 45,219.90-62,406.64-25,078.70

Finding the Fourth Proportional to 45,219.90, 62,406.64 and 25,078.70

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Solution

The fourth proportional to 45,219.90, 62,406.64 and 25,078.70 is: 34,610.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,219.90 : 62,406.64 = 25,078.70 : x
  2. Step 2: Convert to fraction form
    45,219.90/62,406.64 = 25,078.70/x
  3. Step 3: Cross multiply
    45,219.90x = 62,406.64 × 25,078.70
  4. Step 4: Simplify right side
    45,219.90x = 1,565,077,402.57
  5. Step 5: Solve for x
    x = 1,565,077,402.57/45,219.90
  6. Step 6: Final answer
    x = 34,610.37

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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.