Home / 30,244.51-45,370.41-12,712.06

Finding the Fourth Proportional to 30,244.51, 45,370.41 and 12,712.06

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Solution

The fourth proportional to 30,244.51, 45,370.41 and 12,712.06 is: 19,069.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,244.51 : 45,370.41 = 12,712.06 : x
  2. Step 2: Convert to fraction form
    30,244.51/45,370.41 = 12,712.06/x
  3. Step 3: Cross multiply
    30,244.51x = 45,370.41 × 12,712.06
  4. Step 4: Simplify right side
    30,244.51x = 576,751,374.14
  5. Step 5: Solve for x
    x = 576,751,374.14/30,244.51
  6. Step 6: Final answer
    x = 19,069.62

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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.