Home / 30,948.09-46,393.47-11,221.35

Finding the Fourth Proportional to 30,948.09, 46,393.47 and 11,221.35

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Solution

The fourth proportional to 30,948.09, 46,393.47 and 11,221.35 is: 16,821.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,948.09 : 46,393.47 = 11,221.35 : x
  2. Step 2: Convert to fraction form
    30,948.09/46,393.47 = 11,221.35/x
  3. Step 3: Cross multiply
    30,948.09x = 46,393.47 × 11,221.35
  4. Step 4: Simplify right side
    30,948.09x = 520,597,364.58
  5. Step 5: Solve for x
    x = 520,597,364.58/30,948.09
  6. Step 6: Final answer
    x = 16,821.63

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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.