Home / 39,639.61-54,704.37-23,721

Finding the Fourth Proportional to 39,639.61, 54,704.37 and 23,721

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Solution

The fourth proportional to 39,639.61, 54,704.37 and 23,721 is: 32,736.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,639.61 : 54,704.37 = 23,721 : x
  2. Step 2: Convert to fraction form
    39,639.61/54,704.37 = 23,721/x
  3. Step 3: Cross multiply
    39,639.61x = 54,704.37 × 23,721
  4. Step 4: Simplify right side
    39,639.61x = 1,297,642,360.77
  5. Step 5: Solve for x
    x = 1,297,642,360.77/39,639.61
  6. Step 6: Final answer
    x = 32,736.00

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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.