Home / 30,606.25-42,236.07-17,176.45

Finding the Fourth Proportional to 30,606.25, 42,236.07 and 17,176.45

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Solution

The fourth proportional to 30,606.25, 42,236.07 and 17,176.45 is: 23,703.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,606.25 : 42,236.07 = 17,176.45 : x
  2. Step 2: Convert to fraction form
    30,606.25/42,236.07 = 17,176.45/x
  3. Step 3: Cross multiply
    30,606.25x = 42,236.07 × 17,176.45
  4. Step 4: Simplify right side
    30,606.25x = 725,465,744.55
  5. Step 5: Solve for x
    x = 725,465,744.55/30,606.25
  6. Step 6: Final answer
    x = 23,703.19

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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.