Home / 30,303.86-45,440.66-19,202.13

Finding the Fourth Proportional to 30,303.86, 45,440.66 and 19,202.13

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Solution

The fourth proportional to 30,303.86, 45,440.66 and 19,202.13 is: 28,793.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,303.86 : 45,440.66 = 19,202.13 : x
  2. Step 2: Convert to fraction form
    30,303.86/45,440.66 = 19,202.13/x
  3. Step 3: Cross multiply
    30,303.86x = 45,440.66 × 19,202.13
  4. Step 4: Simplify right side
    30,303.86x = 872,557,508.61
  5. Step 5: Solve for x
    x = 872,557,508.61/30,303.86
  6. Step 6: Final answer
    x = 28,793.61

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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.