Home / 30,377.30-45,554.94-12,848.49

Finding the Fourth Proportional to 30,377.30, 45,554.94 and 12,848.49

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Solution

The fourth proportional to 30,377.30, 45,554.94 and 12,848.49 is: 19,268.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,377.30 : 45,554.94 = 12,848.49 : x
  2. Step 2: Convert to fraction form
    30,377.30/45,554.94 = 12,848.49/x
  3. Step 3: Cross multiply
    30,377.30x = 45,554.94 × 12,848.49
  4. Step 4: Simplify right side
    30,377.30x = 585,312,191.04
  5. Step 5: Solve for x
    x = 585,312,191.04/30,377.30
  6. Step 6: Final answer
    x = 19,268.08

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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.