Home / 38,280.66-52,830.54-21,286.14

Finding the Fourth Proportional to 38,280.66, 52,830.54 and 21,286.14

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Solution

The fourth proportional to 38,280.66, 52,830.54 and 21,286.14 is: 29,376.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,280.66 : 52,830.54 = 21,286.14 : x
  2. Step 2: Convert to fraction form
    38,280.66/52,830.54 = 21,286.14/x
  3. Step 3: Cross multiply
    38,280.66x = 52,830.54 × 21,286.14
  4. Step 4: Simplify right side
    38,280.66x = 1,124,558,270.72
  5. Step 5: Solve for x
    x = 1,124,558,270.72/38,280.66
  6. Step 6: Final answer
    x = 29,376.67

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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.