Home / 39,285.84-54,215.58-22,289.64

Finding the Fourth Proportional to 39,285.84, 54,215.58 and 22,289.64

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Solution

The fourth proportional to 39,285.84, 54,215.58 and 22,289.64 is: 30,760.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,285.84 : 54,215.58 = 22,289.64 : x
  2. Step 2: Convert to fraction form
    39,285.84/54,215.58 = 22,289.64/x
  3. Step 3: Cross multiply
    39,285.84x = 54,215.58 × 22,289.64
  4. Step 4: Simplify right side
    39,285.84x = 1,208,445,760.59
  5. Step 5: Solve for x
    x = 1,208,445,760.59/39,285.84
  6. Step 6: Final answer
    x = 30,760.34

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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.