Home / 30,623.34-42,262.65-17,195.49

Finding the Fourth Proportional to 30,623.34, 42,262.65 and 17,195.49

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Solution

The fourth proportional to 30,623.34, 42,262.65 and 17,195.49 is: 23,731.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,623.34 : 42,262.65 = 17,195.49 : x
  2. Step 2: Convert to fraction form
    30,623.34/42,262.65 = 17,195.49/x
  3. Step 3: Cross multiply
    30,623.34x = 42,262.65 × 17,195.49
  4. Step 4: Simplify right side
    30,623.34x = 726,726,975.45
  5. Step 5: Solve for x
    x = 726,726,975.45/30,623.34
  6. Step 6: Final answer
    x = 23,731.15

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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.