Home / 30,093.20-45,139.80-19,595.60

Finding the Fourth Proportional to 30,093.20, 45,139.80 and 19,595.60

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Solution

The fourth proportional to 30,093.20, 45,139.80 and 19,595.60 is: 29,393.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,093.20 : 45,139.80 = 19,595.60 : x
  2. Step 2: Convert to fraction form
    30,093.20/45,139.80 = 19,595.60/x
  3. Step 3: Cross multiply
    30,093.20x = 45,139.80 × 19,595.60
  4. Step 4: Simplify right side
    30,093.20x = 884,541,464.88
  5. Step 5: Solve for x
    x = 884,541,464.88/30,093.20
  6. Step 6: Final answer
    x = 29,393.40

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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.