Home / 30,097.20-41,513.58-20,649.36

Finding the Fourth Proportional to 30,097.20, 41,513.58 and 20,649.36

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Solution

The fourth proportional to 30,097.20, 41,513.58 and 20,649.36 is: 28,482.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,097.20 : 41,513.58 = 20,649.36 : x
  2. Step 2: Convert to fraction form
    30,097.20/41,513.58 = 20,649.36/x
  3. Step 3: Cross multiply
    30,097.20x = 41,513.58 × 20,649.36
  4. Step 4: Simplify right side
    30,097.20x = 857,228,858.31
  5. Step 5: Solve for x
    x = 857,228,858.31/30,097.20
  6. Step 6: Final answer
    x = 28,482.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.