Home / 39,301.49-54,235.73-21,396.46

Finding the Fourth Proportional to 39,301.49, 54,235.73 and 21,396.46

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Solution

The fourth proportional to 39,301.49, 54,235.73 and 21,396.46 is: 29,526.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,301.49 : 54,235.73 = 21,396.46 : x
  2. Step 2: Convert to fraction form
    39,301.49/54,235.73 = 21,396.46/x
  3. Step 3: Cross multiply
    39,301.49x = 54,235.73 × 21,396.46
  4. Step 4: Simplify right side
    39,301.49x = 1,160,452,627.52
  5. Step 5: Solve for x
    x = 1,160,452,627.52/39,301.49
  6. Step 6: Final answer
    x = 29,526.94

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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.