Home / 36,128.13-54,147.05-17,404.67

Finding the Fourth Proportional to 36,128.13, 54,147.05 and 17,404.67

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Solution

The fourth proportional to 36,128.13, 54,147.05 and 17,404.67 is: 26,085.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,128.13 : 54,147.05 = 17,404.67 : x
  2. Step 2: Convert to fraction form
    36,128.13/54,147.05 = 17,404.67/x
  3. Step 3: Cross multiply
    36,128.13x = 54,147.05 × 17,404.67
  4. Step 4: Simplify right side
    36,128.13x = 942,411,715.60
  5. Step 5: Solve for x
    x = 942,411,715.60/36,128.13
  6. Step 6: Final answer
    x = 26,085.26

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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.