Home / 38,961.09-58,441.64-31,554.45

Finding the Fourth Proportional to 38,961.09, 58,441.64 and 31,554.45

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Solution

The fourth proportional to 38,961.09, 58,441.64 and 31,554.45 is: 47,331.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,961.09 : 58,441.64 = 31,554.45 : x
  2. Step 2: Convert to fraction form
    38,961.09/58,441.64 = 31,554.45/x
  3. Step 3: Cross multiply
    38,961.09x = 58,441.64 × 31,554.45
  4. Step 4: Simplify right side
    38,961.09x = 1,844,093,649.53
  5. Step 5: Solve for x
    x = 1,844,093,649.53/38,961.09
  6. Step 6: Final answer
    x = 47,331.68

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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.