Home / 30,944.90-42,702.73-17,518.94

Finding the Fourth Proportional to 30,944.90, 42,702.73 and 17,518.94

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Solution

The fourth proportional to 30,944.90, 42,702.73 and 17,518.94 is: 24,175.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,944.90 : 42,702.73 = 17,518.94 : x
  2. Step 2: Convert to fraction form
    30,944.90/42,702.73 = 17,518.94/x
  3. Step 3: Cross multiply
    30,944.90x = 42,702.73 × 17,518.94
  4. Step 4: Simplify right side
    30,944.90x = 748,106,347.43
  5. Step 5: Solve for x
    x = 748,106,347.43/30,944.90
  6. Step 6: Final answer
    x = 24,175.44

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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.