Home / 39,466.89-54,462.29-21,558.47

Finding the Fourth Proportional to 39,466.89, 54,462.29 and 21,558.47

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Solution

The fourth proportional to 39,466.89, 54,462.29 and 21,558.47 is: 29,749.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,466.89 : 54,462.29 = 21,558.47 : x
  2. Step 2: Convert to fraction form
    39,466.89/54,462.29 = 21,558.47/x
  3. Step 3: Cross multiply
    39,466.89x = 54,462.29 × 21,558.47
  4. Step 4: Simplify right side
    39,466.89x = 1,174,123,264.99
  5. Step 5: Solve for x
    x = 1,174,123,264.99/39,466.89
  6. Step 6: Final answer
    x = 29,749.58

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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.