Home / 30,747.79-42,432.22-17,316.37

Finding the Fourth Proportional to 30,747.79, 42,432.22 and 17,316.37

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Solution

The fourth proportional to 30,747.79, 42,432.22 and 17,316.37 is: 23,896.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,747.79 : 42,432.22 = 17,316.37 : x
  2. Step 2: Convert to fraction form
    30,747.79/42,432.22 = 17,316.37/x
  3. Step 3: Cross multiply
    30,747.79x = 42,432.22 × 17,316.37
  4. Step 4: Simplify right side
    30,747.79x = 734,772,021.44
  5. Step 5: Solve for x
    x = 734,772,021.44/30,747.79
  6. Step 6: Final answer
    x = 23,896.74

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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.