Home / 38,451.08-53,060.46-21,683

Finding the Fourth Proportional to 38,451.08, 53,060.46 and 21,683

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Solution

The fourth proportional to 38,451.08, 53,060.46 and 21,683 is: 29,921.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,451.08 : 53,060.46 = 21,683 : x
  2. Step 2: Convert to fraction form
    38,451.08/53,060.46 = 21,683/x
  3. Step 3: Cross multiply
    38,451.08x = 53,060.46 × 21,683
  4. Step 4: Simplify right side
    38,451.08x = 1,150,509,954.18
  5. Step 5: Solve for x
    x = 1,150,509,954.18/38,451.08
  6. Step 6: Final answer
    x = 29,921.40

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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.