Home / 30,055.73-45,077.45-18,984.04

Finding the Fourth Proportional to 30,055.73, 45,077.45 and 18,984.04

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Solution

The fourth proportional to 30,055.73, 45,077.45 and 18,984.04 is: 28,472.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,055.73 : 45,077.45 = 18,984.04 : x
  2. Step 2: Convert to fraction form
    30,055.73/45,077.45 = 18,984.04/x
  3. Step 3: Cross multiply
    30,055.73x = 45,077.45 × 18,984.04
  4. Step 4: Simplify right side
    30,055.73x = 855,751,906.28
  5. Step 5: Solve for x
    x = 855,751,906.28/30,055.73
  6. Step 6: Final answer
    x = 28,472.18

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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.