Home / 38,489.41-53,112.35-21,492.32

Finding the Fourth Proportional to 38,489.41, 53,112.35 and 21,492.32

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Solution

The fourth proportional to 38,489.41, 53,112.35 and 21,492.32 is: 29,657.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,489.41 : 53,112.35 = 21,492.32 : x
  2. Step 2: Convert to fraction form
    38,489.41/53,112.35 = 21,492.32/x
  3. Step 3: Cross multiply
    38,489.41x = 53,112.35 × 21,492.32
  4. Step 4: Simplify right side
    38,489.41x = 1,141,507,808.66
  5. Step 5: Solve for x
    x = 1,141,507,808.66/38,489.41
  6. Step 6: Final answer
    x = 29,657.71

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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.