Home / 38,736.58-53,444.28-21,738.32

Finding the Fourth Proportional to 38,736.58, 53,444.28 and 21,738.32

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Solution

The fourth proportional to 38,736.58, 53,444.28 and 21,738.32 is: 29,992.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,736.58 : 53,444.28 = 21,738.32 : x
  2. Step 2: Convert to fraction form
    38,736.58/53,444.28 = 21,738.32/x
  3. Step 3: Cross multiply
    38,736.58x = 53,444.28 × 21,738.32
  4. Step 4: Simplify right side
    38,736.58x = 1,161,788,860.81
  5. Step 5: Solve for x
    x = 1,161,788,860.81/38,736.58
  6. Step 6: Final answer
    x = 29,992.03

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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.