Home / 30,803.52-46,178.55-19,090.92

Finding the Fourth Proportional to 30,803.52, 46,178.55 and 19,090.92

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Solution

The fourth proportional to 30,803.52, 46,178.55 and 19,090.92 is: 28,619.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,803.52 : 46,178.55 = 19,090.92 : x
  2. Step 2: Convert to fraction form
    30,803.52/46,178.55 = 19,090.92/x
  3. Step 3: Cross multiply
    30,803.52x = 46,178.55 × 19,090.92
  4. Step 4: Simplify right side
    30,803.52x = 881,591,003.77
  5. Step 5: Solve for x
    x = 881,591,003.77/30,803.52
  6. Step 6: Final answer
    x = 28,619.81

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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.