Home / 31,203.55-43,068.64-17,782.77

Finding the Fourth Proportional to 31,203.55, 43,068.64 and 17,782.77

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Solution

The fourth proportional to 31,203.55, 43,068.64 and 17,782.77 is: 24,544.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,203.55 : 43,068.64 = 17,782.77 : x
  2. Step 2: Convert to fraction form
    31,203.55/43,068.64 = 17,782.77/x
  3. Step 3: Cross multiply
    31,203.55x = 43,068.64 × 17,782.77
  4. Step 4: Simplify right side
    31,203.55x = 765,879,719.33
  5. Step 5: Solve for x
    x = 765,879,719.33/31,203.55
  6. Step 6: Final answer
    x = 24,544.63

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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.