Home / 39,370.94-54,332.21-21,466.07

Finding the Fourth Proportional to 39,370.94, 54,332.21 and 21,466.07

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Solution

The fourth proportional to 39,370.94, 54,332.21 and 21,466.07 is: 29,623.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,370.94 : 54,332.21 = 21,466.07 : x
  2. Step 2: Convert to fraction form
    39,370.94/54,332.21 = 21,466.07/x
  3. Step 3: Cross multiply
    39,370.94x = 54,332.21 × 21,466.07
  4. Step 4: Simplify right side
    39,370.94x = 1,166,298,644.12
  5. Step 5: Solve for x
    x = 1,166,298,644.12/39,370.94
  6. Step 6: Final answer
    x = 29,623.34

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Double scale
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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.