Home / 30,250.83-45,378.64-9,192.70

Finding the Fourth Proportional to 30,250.83, 45,378.64 and 9,192.70

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Solution

The fourth proportional to 30,250.83, 45,378.64 and 9,192.70 is: 13,789.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,250.83 : 45,378.64 = 9,192.70 : x
  2. Step 2: Convert to fraction form
    30,250.83/45,378.64 = 9,192.70/x
  3. Step 3: Cross multiply
    30,250.83x = 45,378.64 × 9,192.70
  4. Step 4: Simplify right side
    30,250.83x = 417,152,393.92
  5. Step 5: Solve for x
    x = 417,152,393.92/30,250.83
  6. Step 6: Final answer
    x = 13,789.79

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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.