Home / 39,027.84-58,442.16-21,478.56

Finding the Fourth Proportional to 39,027.84, 58,442.16 and 21,478.56

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Solution

The fourth proportional to 39,027.84, 58,442.16 and 21,478.56 is: 32,163.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,027.84 : 58,442.16 = 21,478.56 : x
  2. Step 2: Convert to fraction form
    39,027.84/58,442.16 = 21,478.56/x
  3. Step 3: Cross multiply
    39,027.84x = 58,442.16 × 21,478.56
  4. Step 4: Simplify right side
    39,027.84x = 1,255,253,440.09
  5. Step 5: Solve for x
    x = 1,255,253,440.09/39,027.84
  6. Step 6: Final answer
    x = 32,163.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.