Home / 30,181.19-45,279.84-10,459.73

Finding the Fourth Proportional to 30,181.19, 45,279.84 and 10,459.73

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Solution

The fourth proportional to 30,181.19, 45,279.84 and 10,459.73 is: 15,692.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,181.19 : 45,279.84 = 10,459.73 : x
  2. Step 2: Convert to fraction form
    30,181.19/45,279.84 = 10,459.73/x
  3. Step 3: Cross multiply
    30,181.19x = 45,279.84 × 10,459.73
  4. Step 4: Simplify right side
    30,181.19x = 473,615,014.04
  5. Step 5: Solve for x
    x = 473,615,014.04/30,181.19
  6. Step 6: Final answer
    x = 15,692.39

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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.