Home / 45,313.94-67,913.51-25,603.61

Finding the Fourth Proportional to 45,313.94, 67,913.51 and 25,603.61

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Solution

The fourth proportional to 45,313.94, 67,913.51 and 25,603.61 is: 38,372.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,313.94 : 67,913.51 = 25,603.61 : x
  2. Step 2: Convert to fraction form
    45,313.94/67,913.51 = 25,603.61/x
  3. Step 3: Cross multiply
    45,313.94x = 67,913.51 × 25,603.61
  4. Step 4: Simplify right side
    45,313.94x = 1,738,830,556.19
  5. Step 5: Solve for x
    x = 1,738,830,556.19/45,313.94
  6. Step 6: Final answer
    x = 38,372.97

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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.