Home / 39,370.95-54,332.16-21,466.26

Finding the Fourth Proportional to 39,370.95, 54,332.16 and 21,466.26

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Solution

The fourth proportional to 39,370.95, 54,332.16 and 21,466.26 is: 29,623.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,370.95 : 54,332.16 = 21,466.26 : x
  2. Step 2: Convert to fraction form
    39,370.95/54,332.16 = 21,466.26/x
  3. Step 3: Cross multiply
    39,370.95x = 54,332.16 × 21,466.26
  4. Step 4: Simplify right side
    39,370.95x = 1,166,307,893.93
  5. Step 5: Solve for x
    x = 1,166,307,893.93/39,370.95
  6. Step 6: Final answer
    x = 29,623.56

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Half scale
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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.