Home / 30,454.40-45,675.48-8,269.36

Finding the Fourth Proportional to 30,454.40, 45,675.48 and 8,269.36

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Solution

The fourth proportional to 30,454.40, 45,675.48 and 8,269.36 is: 12,402.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,454.40 : 45,675.48 = 8,269.36 : x
  2. Step 2: Convert to fraction form
    30,454.40/45,675.48 = 8,269.36/x
  3. Step 3: Cross multiply
    30,454.40x = 45,675.48 × 8,269.36
  4. Step 4: Simplify right side
    30,454.40x = 377,706,987.29
  5. Step 5: Solve for x
    x = 377,706,987.29/30,454.40
  6. Step 6: Final answer
    x = 12,402.38

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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.