Home / 39,301.41-54,234.24-21,396.48

Finding the Fourth Proportional to 39,301.41, 54,234.24 and 21,396.48

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Solution

The fourth proportional to 39,301.41, 54,234.24 and 21,396.48 is: 29,526.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,301.41 : 54,234.24 = 21,396.48 : x
  2. Step 2: Convert to fraction form
    39,301.41/54,234.24 = 21,396.48/x
  3. Step 3: Cross multiply
    39,301.41x = 54,234.24 × 21,396.48
  4. Step 4: Simplify right side
    39,301.41x = 1,160,421,547.86
  5. Step 5: Solve for x
    x = 1,160,421,547.86/39,301.41
  6. Step 6: Final answer
    x = 29,526.20

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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.