Home / 30,944.24-42,702.74-17,515.36

Finding the Fourth Proportional to 30,944.24, 42,702.74 and 17,515.36

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Solution

The fourth proportional to 30,944.24, 42,702.74 and 17,515.36 is: 24,171.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,944.24 : 42,702.74 = 17,515.36 : x
  2. Step 2: Convert to fraction form
    30,944.24/42,702.74 = 17,515.36/x
  3. Step 3: Cross multiply
    30,944.24x = 42,702.74 × 17,515.36
  4. Step 4: Simplify right side
    30,944.24x = 747,953,864.09
  5. Step 5: Solve for x
    x = 747,953,864.09/30,944.24
  6. Step 6: Final answer
    x = 24,171.02

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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.