Home / 30,889.35-42,629.95-17,462.99

Finding the Fourth Proportional to 30,889.35, 42,629.95 and 17,462.99

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Solution

The fourth proportional to 30,889.35, 42,629.95 and 17,462.99 is: 24,100.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,889.35 : 42,629.95 = 17,462.99 : x
  2. Step 2: Convert to fraction form
    30,889.35/42,629.95 = 17,462.99/x
  3. Step 3: Cross multiply
    30,889.35x = 42,629.95 × 17,462.99
  4. Step 4: Simplify right side
    30,889.35x = 744,446,420.72
  5. Step 5: Solve for x
    x = 744,446,420.72/30,889.35
  6. Step 6: Final answer
    x = 24,100.42

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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.