Home / 38,085.34-52,557.63-21,318.34

Finding the Fourth Proportional to 38,085.34, 52,557.63 and 21,318.34

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Solution

The fourth proportional to 38,085.34, 52,557.63 and 21,318.34 is: 29,419.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,085.34 : 52,557.63 = 21,318.34 : x
  2. Step 2: Convert to fraction form
    38,085.34/52,557.63 = 21,318.34/x
  3. Step 3: Cross multiply
    38,085.34x = 52,557.63 × 21,318.34
  4. Step 4: Simplify right side
    38,085.34x = 1,120,441,493.02
  5. Step 5: Solve for x
    x = 1,120,441,493.02/38,085.34
  6. Step 6: Final answer
    x = 29,419.23

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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.