Home / 34,365.76-51,499.68-20,328.64

Finding the Fourth Proportional to 34,365.76, 51,499.68 and 20,328.64

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Solution

The fourth proportional to 34,365.76, 51,499.68 and 20,328.64 is: 30,464.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,365.76 : 51,499.68 = 20,328.64 : x
  2. Step 2: Convert to fraction form
    34,365.76/51,499.68 = 20,328.64/x
  3. Step 3: Cross multiply
    34,365.76x = 51,499.68 × 20,328.64
  4. Step 4: Simplify right side
    34,365.76x = 1,046,918,454.84
  5. Step 5: Solve for x
    x = 1,046,918,454.84/34,365.76
  6. Step 6: Final answer
    x = 30,464.00

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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.