Home / 30,111.35-45,194.79-15,330.92

Finding the Fourth Proportional to 30,111.35, 45,194.79 and 15,330.92

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Solution

The fourth proportional to 30,111.35, 45,194.79 and 15,330.92 is: 23,010.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,111.35 : 45,194.79 = 15,330.92 : x
  2. Step 2: Convert to fraction form
    30,111.35/45,194.79 = 15,330.92/x
  3. Step 3: Cross multiply
    30,111.35x = 45,194.79 × 15,330.92
  4. Step 4: Simplify right side
    30,111.35x = 692,877,709.91
  5. Step 5: Solve for x
    x = 692,877,709.91/30,111.35
  6. Step 6: Final answer
    x = 23,010.52

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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.