Home / 38,013.42-52,458.60-21,246.42

Finding the Fourth Proportional to 38,013.42, 52,458.60 and 21,246.42

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Solution

The fourth proportional to 38,013.42, 52,458.60 and 21,246.42 is: 29,320.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,013.42 : 52,458.60 = 21,246.42 : x
  2. Step 2: Convert to fraction form
    38,013.42/52,458.60 = 21,246.42/x
  3. Step 3: Cross multiply
    38,013.42x = 52,458.60 × 21,246.42
  4. Step 4: Simplify right side
    38,013.42x = 1,114,557,448.21
  5. Step 5: Solve for x
    x = 1,114,557,448.21/38,013.42
  6. Step 6: Final answer
    x = 29,320.10

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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.