Home / 30,151.86-41,595.57-18,814.02

Finding the Fourth Proportional to 30,151.86, 41,595.57 and 18,814.02

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Solution

The fourth proportional to 30,151.86, 41,595.57 and 18,814.02 is: 25,954.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,151.86 : 41,595.57 = 18,814.02 : x
  2. Step 2: Convert to fraction form
    30,151.86/41,595.57 = 18,814.02/x
  3. Step 3: Cross multiply
    30,151.86x = 41,595.57 × 18,814.02
  4. Step 4: Simplify right side
    30,151.86x = 782,579,885.89
  5. Step 5: Solve for x
    x = 782,579,885.89/30,151.86
  6. Step 6: Final answer
    x = 25,954.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.