Home / 39,537.74-54,561.60-21,632.49

Finding the Fourth Proportional to 39,537.74, 54,561.60 and 21,632.49

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Solution

The fourth proportional to 39,537.74, 54,561.60 and 21,632.49 is: 29,852.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,537.74 : 54,561.60 = 21,632.49 : x
  2. Step 2: Convert to fraction form
    39,537.74/54,561.60 = 21,632.49/x
  3. Step 3: Cross multiply
    39,537.74x = 54,561.60 × 21,632.49
  4. Step 4: Simplify right side
    39,537.74x = 1,180,303,266.38
  5. Step 5: Solve for x
    x = 1,180,303,266.38/39,537.74
  6. Step 6: Final answer
    x = 29,852.57

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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.