Home / 38,846.40-58,226.40-21,328.80

Finding the Fourth Proportional to 38,846.40, 58,226.40 and 21,328.80

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Solution

The fourth proportional to 38,846.40, 58,226.40 and 21,328.80 is: 31,969.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,846.40 : 58,226.40 = 21,328.80 : x
  2. Step 2: Convert to fraction form
    38,846.40/58,226.40 = 21,328.80/x
  3. Step 3: Cross multiply
    38,846.40x = 58,226.40 × 21,328.80
  4. Step 4: Simplify right side
    38,846.40x = 1,241,899,240.32
  5. Step 5: Solve for x
    x = 1,241,899,240.32/38,846.40
  6. Step 6: Final answer
    x = 31,969.48

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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.