Home / 30,289.34-45,404.76-15,505.22

Finding the Fourth Proportional to 30,289.34, 45,404.76 and 15,505.22

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Solution

The fourth proportional to 30,289.34, 45,404.76 and 15,505.22 is: 23,242.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,289.34 : 45,404.76 = 15,505.22 : x
  2. Step 2: Convert to fraction form
    30,289.34/45,404.76 = 15,505.22/x
  3. Step 3: Cross multiply
    30,289.34x = 45,404.76 × 15,505.22
  4. Step 4: Simplify right side
    30,289.34x = 704,010,792.85
  5. Step 5: Solve for x
    x = 704,010,792.85/30,289.34
  6. Step 6: Final answer
    x = 23,242.86

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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.