Home / 38,219.55-52,743.21-21,225.03

Finding the Fourth Proportional to 38,219.55, 52,743.21 and 21,225.03

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Solution

The fourth proportional to 38,219.55, 52,743.21 and 21,225.03 is: 29,290.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,219.55 : 52,743.21 = 21,225.03 : x
  2. Step 2: Convert to fraction form
    38,219.55/52,743.21 = 21,225.03/x
  3. Step 3: Cross multiply
    38,219.55x = 52,743.21 × 21,225.03
  4. Step 4: Simplify right side
    38,219.55x = 1,119,476,214.55
  5. Step 5: Solve for x
    x = 1,119,476,214.55/38,219.55
  6. Step 6: Final answer
    x = 29,290.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.