Home / 39,370.91-54,330.88-21,466.27

Finding the Fourth Proportional to 39,370.91, 54,330.88 and 21,466.27

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Solution

The fourth proportional to 39,370.91, 54,330.88 and 21,466.27 is: 29,622.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,370.91 : 54,330.88 = 21,466.27 : x
  2. Step 2: Convert to fraction form
    39,370.91/54,330.88 = 21,466.27/x
  3. Step 3: Cross multiply
    39,370.91x = 54,330.88 × 21,466.27
  4. Step 4: Simplify right side
    39,370.91x = 1,166,281,027.93
  5. Step 5: Solve for x
    x = 1,166,281,027.93/39,370.91
  6. Step 6: Final answer
    x = 29,622.91

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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.