Home / 39,301.34-54,235.98-21,396.35

Finding the Fourth Proportional to 39,301.34, 54,235.98 and 21,396.35

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Solution

The fourth proportional to 39,301.34, 54,235.98 and 21,396.35 is: 29,527.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,301.34 : 54,235.98 = 21,396.35 : x
  2. Step 2: Convert to fraction form
    39,301.34/54,235.98 = 21,396.35/x
  3. Step 3: Cross multiply
    39,301.34x = 54,235.98 × 21,396.35
  4. Step 4: Simplify right side
    39,301.34x = 1,160,452,146.26
  5. Step 5: Solve for x
    x = 1,160,452,146.26/39,301.34
  6. Step 6: Final answer
    x = 29,527.04

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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.