Home / 30,270.54-45,348.57-17,132.34

Finding the Fourth Proportional to 30,270.54, 45,348.57 and 17,132.34

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Solution

The fourth proportional to 30,270.54, 45,348.57 and 17,132.34 is: 25,666.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,270.54 : 45,348.57 = 17,132.34 : x
  2. Step 2: Convert to fraction form
    30,270.54/45,348.57 = 17,132.34/x
  3. Step 3: Cross multiply
    30,270.54x = 45,348.57 × 17,132.34
  4. Step 4: Simplify right side
    30,270.54x = 776,927,119.75
  5. Step 5: Solve for x
    x = 776,927,119.75/30,270.54
  6. Step 6: Final answer
    x = 25,666.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.