Home / 30,896.20-42,637.08-17,467.60

Finding the Fourth Proportional to 30,896.20, 42,637.08 and 17,467.60

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Solution

The fourth proportional to 30,896.20, 42,637.08 and 17,467.60 is: 24,105.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,896.20 : 42,637.08 = 17,467.60 : x
  2. Step 2: Convert to fraction form
    30,896.20/42,637.08 = 17,467.60/x
  3. Step 3: Cross multiply
    30,896.20x = 42,637.08 × 17,467.60
  4. Step 4: Simplify right side
    30,896.20x = 744,767,458.61
  5. Step 5: Solve for x
    x = 744,767,458.61/30,896.20
  6. Step 6: Final answer
    x = 24,105.47

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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.