Home / 31,782.02-43,859.49-17,636.18

Finding the Fourth Proportional to 31,782.02, 43,859.49 and 17,636.18

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Solution

The fourth proportional to 31,782.02, 43,859.49 and 17,636.18 is: 24,338.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,782.02 : 43,859.49 = 17,636.18 : x
  2. Step 2: Convert to fraction form
    31,782.02/43,859.49 = 17,636.18/x
  3. Step 3: Cross multiply
    31,782.02x = 43,859.49 × 17,636.18
  4. Step 4: Simplify right side
    31,782.02x = 773,513,860.35
  5. Step 5: Solve for x
    x = 773,513,860.35/31,782.02
  6. Step 6: Final answer
    x = 24,338.10

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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.