Home / 30,299.86-41,809.60-16,869.32

Finding the Fourth Proportional to 30,299.86, 41,809.60 and 16,869.32

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Solution

The fourth proportional to 30,299.86, 41,809.60 and 16,869.32 is: 23,277.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,299.86 : 41,809.60 = 16,869.32 : x
  2. Step 2: Convert to fraction form
    30,299.86/41,809.60 = 16,869.32/x
  3. Step 3: Cross multiply
    30,299.86x = 41,809.60 × 16,869.32
  4. Step 4: Simplify right side
    30,299.86x = 705,299,521.47
  5. Step 5: Solve for x
    x = 705,299,521.47/30,299.86
  6. Step 6: Final answer
    x = 23,277.32

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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.