Home / 38,244.36-52,771.32-21,890.28

Finding the Fourth Proportional to 38,244.36, 52,771.32 and 21,890.28

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Solution

The fourth proportional to 38,244.36, 52,771.32 and 21,890.28 is: 30,205.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,244.36 : 52,771.32 = 21,890.28 : x
  2. Step 2: Convert to fraction form
    38,244.36/52,771.32 = 21,890.28/x
  3. Step 3: Cross multiply
    38,244.36x = 52,771.32 × 21,890.28
  4. Step 4: Simplify right side
    38,244.36x = 1,155,178,970.77
  5. Step 5: Solve for x
    x = 1,155,178,970.77/38,244.36
  6. Step 6: Final answer
    x = 30,205.21

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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.