Home / 39,493.99-54,501.69-21,589.07

Finding the Fourth Proportional to 39,493.99, 54,501.69 and 21,589.07

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Solution

The fourth proportional to 39,493.99, 54,501.69 and 21,589.07 is: 29,792.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,493.99 : 54,501.69 = 21,589.07 : x
  2. Step 2: Convert to fraction form
    39,493.99/54,501.69 = 21,589.07/x
  3. Step 3: Cross multiply
    39,493.99x = 54,501.69 × 21,589.07
  4. Step 4: Simplify right side
    39,493.99x = 1,176,640,528.02
  5. Step 5: Solve for x
    x = 1,176,640,528.02/39,493.99
  6. Step 6: Final answer
    x = 29,792.90

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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.