Home / 37,868-52,258.08-21,101.12

Finding the Fourth Proportional to 37,868, 52,258.08 and 21,101.12

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Solution

The fourth proportional to 37,868, 52,258.08 and 21,101.12 is: 29,119.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,868 : 52,258.08 = 21,101.12 : x
  2. Step 2: Convert to fraction form
    37,868/52,258.08 = 21,101.12/x
  3. Step 3: Cross multiply
    37,868x = 52,258.08 × 21,101.12
  4. Step 4: Simplify right side
    37,868x = 1,102,704,017.05
  5. Step 5: Solve for x
    x = 1,102,704,017.05/37,868
  6. Step 6: Final answer
    x = 29,119.68

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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.