Home / 36,459.20-54,688.80-30,627.20

Finding the Fourth Proportional to 36,459.20, 54,688.80 and 30,627.20

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Solution

The fourth proportional to 36,459.20, 54,688.80 and 30,627.20 is: 45,940.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,459.20 : 54,688.80 = 30,627.20 : x
  2. Step 2: Convert to fraction form
    36,459.20/54,688.80 = 30,627.20/x
  3. Step 3: Cross multiply
    36,459.20x = 54,688.80 × 30,627.20
  4. Step 4: Simplify right side
    36,459.20x = 1,674,964,815.36
  5. Step 5: Solve for x
    x = 1,674,964,815.36/36,459.20
  6. Step 6: Final answer
    x = 45,940.80

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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.