Home / 39,537.45-54,561.65-21,632.53

Finding the Fourth Proportional to 39,537.45, 54,561.65 and 21,632.53

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Solution

The fourth proportional to 39,537.45, 54,561.65 and 21,632.53 is: 29,852.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,537.45 : 54,561.65 = 21,632.53 : x
  2. Step 2: Convert to fraction form
    39,537.45/54,561.65 = 21,632.53/x
  3. Step 3: Cross multiply
    39,537.45x = 54,561.65 × 21,632.53
  4. Step 4: Simplify right side
    39,537.45x = 1,180,306,285.91
  5. Step 5: Solve for x
    x = 1,180,306,285.91/39,537.45
  6. Step 6: Final answer
    x = 29,852.87

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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.