Home / 30,268.02-45,415.35-10,560.72

Finding the Fourth Proportional to 30,268.02, 45,415.35 and 10,560.72

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Solution

The fourth proportional to 30,268.02, 45,415.35 and 10,560.72 is: 15,845.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,268.02 : 45,415.35 = 10,560.72 : x
  2. Step 2: Convert to fraction form
    30,268.02/45,415.35 = 10,560.72/x
  3. Step 3: Cross multiply
    30,268.02x = 45,415.35 × 10,560.72
  4. Step 4: Simplify right side
    30,268.02x = 479,618,795.05
  5. Step 5: Solve for x
    x = 479,618,795.05/30,268.02
  6. Step 6: Final answer
    x = 15,845.73

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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.