Home / 30,360.09-45,536.02-8,174.79

Finding the Fourth Proportional to 30,360.09, 45,536.02 and 8,174.79

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Solution

The fourth proportional to 30,360.09, 45,536.02 and 8,174.79 is: 12,261.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,360.09 : 45,536.02 = 8,174.79 : x
  2. Step 2: Convert to fraction form
    30,360.09/45,536.02 = 8,174.79/x
  3. Step 3: Cross multiply
    30,360.09x = 45,536.02 × 8,174.79
  4. Step 4: Simplify right side
    30,360.09x = 372,247,360.06
  5. Step 5: Solve for x
    x = 372,247,360.06/30,360.09
  6. Step 6: Final answer
    x = 12,261.08

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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.