Home / 30,302.60-45,446.86-11,575.80

Finding the Fourth Proportional to 30,302.60, 45,446.86 and 11,575.80

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Solution

The fourth proportional to 30,302.60, 45,446.86 and 11,575.80 is: 17,361.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,302.60 : 45,446.86 = 11,575.80 : x
  2. Step 2: Convert to fraction form
    30,302.60/45,446.86 = 11,575.80/x
  3. Step 3: Cross multiply
    30,302.60x = 45,446.86 × 11,575.80
  4. Step 4: Simplify right side
    30,302.60x = 526,083,761.99
  5. Step 5: Solve for x
    x = 526,083,761.99/30,302.60
  6. Step 6: Final answer
    x = 17,361.01

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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.