Home / 30,190.03-45,283.83-15,398.62

Finding the Fourth Proportional to 30,190.03, 45,283.83 and 15,398.62

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Solution

The fourth proportional to 30,190.03, 45,283.83 and 15,398.62 is: 23,097.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,190.03 : 45,283.83 = 15,398.62 : x
  2. Step 2: Convert to fraction form
    30,190.03/45,283.83 = 15,398.62/x
  3. Step 3: Cross multiply
    30,190.03x = 45,283.83 × 15,398.62
  4. Step 4: Simplify right side
    30,190.03x = 697,308,490.31
  5. Step 5: Solve for x
    x = 697,308,490.31/30,190.03
  6. Step 6: Final answer
    x = 23,097.31

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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.