Home / 39,203.92-54,102.54-21,300.04

Finding the Fourth Proportional to 39,203.92, 54,102.54 and 21,300.04

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Solution

The fourth proportional to 39,203.92, 54,102.54 and 21,300.04 is: 29,394.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,203.92 : 54,102.54 = 21,300.04 : x
  2. Step 2: Convert to fraction form
    39,203.92/54,102.54 = 21,300.04/x
  3. Step 3: Cross multiply
    39,203.92x = 54,102.54 × 21,300.04
  4. Step 4: Simplify right side
    39,203.92x = 1,152,386,266.10
  5. Step 5: Solve for x
    x = 1,152,386,266.10/39,203.92
  6. Step 6: Final answer
    x = 29,394.67

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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.