Home / 30,097.12-45,127.84-12,322.48

Finding the Fourth Proportional to 30,097.12, 45,127.84 and 12,322.48

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Solution

The fourth proportional to 30,097.12, 45,127.84 and 12,322.48 is: 18,476.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,097.12 : 45,127.84 = 12,322.48 : x
  2. Step 2: Convert to fraction form
    30,097.12/45,127.84 = 12,322.48/x
  3. Step 3: Cross multiply
    30,097.12x = 45,127.84 × 12,322.48
  4. Step 4: Simplify right side
    30,097.12x = 556,086,905.84
  5. Step 5: Solve for x
    x = 556,086,905.84/30,097.12
  6. Step 6: Final answer
    x = 18,476.42

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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.