Home / 39,265.52-54,184.82-21,360.53

Finding the Fourth Proportional to 39,265.52, 54,184.82 and 21,360.53

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Solution

The fourth proportional to 39,265.52, 54,184.82 and 21,360.53 is: 29,476.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,265.52 : 54,184.82 = 21,360.53 : x
  2. Step 2: Convert to fraction form
    39,265.52/54,184.82 = 21,360.53/x
  3. Step 3: Cross multiply
    39,265.52x = 54,184.82 × 21,360.53
  4. Step 4: Simplify right side
    39,265.52x = 1,157,416,501.81
  5. Step 5: Solve for x
    x = 1,157,416,501.81/39,265.52
  6. Step 6: Final answer
    x = 29,476.67

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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.