Home / 39,534.03-54,558.25-21,628.62

Finding the Fourth Proportional to 39,534.03, 54,558.25 and 21,628.62

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Solution

The fourth proportional to 39,534.03, 54,558.25 and 21,628.62 is: 29,848.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,534.03 : 54,558.25 = 21,628.62 : x
  2. Step 2: Convert to fraction form
    39,534.03/54,558.25 = 21,628.62/x
  3. Step 3: Cross multiply
    39,534.03x = 54,558.25 × 21,628.62
  4. Step 4: Simplify right side
    39,534.03x = 1,180,019,657.12
  5. Step 5: Solve for x
    x = 1,180,019,657.12/39,534.03
  6. Step 6: Final answer
    x = 29,848.20

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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.