Home / 30,218.72-45,327.87-11,750.72

Finding the Fourth Proportional to 30,218.72, 45,327.87 and 11,750.72

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Solution

The fourth proportional to 30,218.72, 45,327.87 and 11,750.72 is: 17,625.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,218.72 : 45,327.87 = 11,750.72 : x
  2. Step 2: Convert to fraction form
    30,218.72/45,327.87 = 11,750.72/x
  3. Step 3: Cross multiply
    30,218.72x = 45,327.87 × 11,750.72
  4. Step 4: Simplify right side
    30,218.72x = 532,634,881.93
  5. Step 5: Solve for x
    x = 532,634,881.93/30,218.72
  6. Step 6: Final answer
    x = 17,625.99

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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.