Home / 38,266.38-52,808.58-21,038.54

Finding the Fourth Proportional to 38,266.38, 52,808.58 and 21,038.54

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Solution

The fourth proportional to 38,266.38, 52,808.58 and 21,038.54 is: 29,033.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,266.38 : 52,808.58 = 21,038.54 : x
  2. Step 2: Convert to fraction form
    38,266.38/52,808.58 = 21,038.54/x
  3. Step 3: Cross multiply
    38,266.38x = 52,808.58 × 21,038.54
  4. Step 4: Simplify right side
    38,266.38x = 1,111,015,158.63
  5. Step 5: Solve for x
    x = 1,111,015,158.63/38,266.38
  6. Step 6: Final answer
    x = 29,033.71

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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.