Home / 31,478.26-43,442.63-17,333.77

Finding the Fourth Proportional to 31,478.26, 43,442.63 and 17,333.77

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Solution

The fourth proportional to 31,478.26, 43,442.63 and 17,333.77 is: 23,922.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,478.26 : 43,442.63 = 17,333.77 : x
  2. Step 2: Convert to fraction form
    31,478.26/43,442.63 = 17,333.77/x
  3. Step 3: Cross multiply
    31,478.26x = 43,442.63 × 17,333.77
  4. Step 4: Simplify right side
    31,478.26x = 753,024,382.74
  5. Step 5: Solve for x
    x = 753,024,382.74/31,478.26
  6. Step 6: Final answer
    x = 23,922.05

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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.