Home / 39,721.02-54,812.87-22,723.44

Finding the Fourth Proportional to 39,721.02, 54,812.87 and 22,723.44

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Solution

The fourth proportional to 39,721.02, 54,812.87 and 22,723.44 is: 31,357.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,721.02 : 54,812.87 = 22,723.44 : x
  2. Step 2: Convert to fraction form
    39,721.02/54,812.87 = 22,723.44/x
  3. Step 3: Cross multiply
    39,721.02x = 54,812.87 × 22,723.44
  4. Step 4: Simplify right side
    39,721.02x = 1,245,536,574.99
  5. Step 5: Solve for x
    x = 1,245,536,574.99/39,721.02
  6. Step 6: Final answer
    x = 31,357.12

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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.