Home / 38,440.21-53,048.42-21,444.33

Finding the Fourth Proportional to 38,440.21, 53,048.42 and 21,444.33

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Solution

The fourth proportional to 38,440.21, 53,048.42 and 21,444.33 is: 29,593.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,440.21 : 53,048.42 = 21,444.33 : x
  2. Step 2: Convert to fraction form
    38,440.21/53,048.42 = 21,444.33/x
  3. Step 3: Cross multiply
    38,440.21x = 53,048.42 × 21,444.33
  4. Step 4: Simplify right side
    38,440.21x = 1,137,587,824.46
  5. Step 5: Solve for x
    x = 1,137,587,824.46/38,440.21
  6. Step 6: Final answer
    x = 29,593.69

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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.