Home / 30,184.52-45,259.05-9,118.22

Finding the Fourth Proportional to 30,184.52, 45,259.05 and 9,118.22

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Solution

The fourth proportional to 30,184.52, 45,259.05 and 9,118.22 is: 13,671.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,184.52 : 45,259.05 = 9,118.22 : x
  2. Step 2: Convert to fraction form
    30,184.52/45,259.05 = 9,118.22/x
  3. Step 3: Cross multiply
    30,184.52x = 45,259.05 × 9,118.22
  4. Step 4: Simplify right side
    30,184.52x = 412,681,974.89
  5. Step 5: Solve for x
    x = 412,681,974.89/30,184.52
  6. Step 6: Final answer
    x = 13,671.97

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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.