Home / 38,347.83-52,919.33-21,354.84

Finding the Fourth Proportional to 38,347.83, 52,919.33 and 21,354.84

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Solution

The fourth proportional to 38,347.83, 52,919.33 and 21,354.84 is: 29,469.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,347.83 : 52,919.33 = 21,354.84 : x
  2. Step 2: Convert to fraction form
    38,347.83/52,919.33 = 21,354.84/x
  3. Step 3: Cross multiply
    38,347.83x = 52,919.33 × 21,354.84
  4. Step 4: Simplify right side
    38,347.83x = 1,130,083,718.28
  5. Step 5: Solve for x
    x = 1,130,083,718.28/38,347.83
  6. Step 6: Final answer
    x = 29,469.30

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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.