Home / 30,256.66-45,353.71-11,531.67

Finding the Fourth Proportional to 30,256.66, 45,353.71 and 11,531.67

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Solution

The fourth proportional to 30,256.66, 45,353.71 and 11,531.67 is: 17,285.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,256.66 : 45,353.71 = 11,531.67 : x
  2. Step 2: Convert to fraction form
    30,256.66/45,353.71 = 11,531.67/x
  3. Step 3: Cross multiply
    30,256.66x = 45,353.71 × 11,531.67
  4. Step 4: Simplify right side
    30,256.66x = 523,003,790.23
  5. Step 5: Solve for x
    x = 523,003,790.23/30,256.66
  6. Step 6: Final answer
    x = 17,285.58

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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.