Home / 35,904.60-53,859.30-12,211.80

Finding the Fourth Proportional to 35,904.60, 53,859.30 and 12,211.80

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Solution

The fourth proportional to 35,904.60, 53,859.30 and 12,211.80 is: 18,318.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,904.60 : 53,859.30 = 12,211.80 : x
  2. Step 2: Convert to fraction form
    35,904.60/53,859.30 = 12,211.80/x
  3. Step 3: Cross multiply
    35,904.60x = 53,859.30 × 12,211.80
  4. Step 4: Simplify right side
    35,904.60x = 657,718,999.74
  5. Step 5: Solve for x
    x = 657,718,999.74/35,904.60
  6. Step 6: Final answer
    x = 18,318.52

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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.