Home / 63,285.54-94,931.78-18,915.76

Finding the Fourth Proportional to 63,285.54, 94,931.78 and 18,915.76

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Solution

The fourth proportional to 63,285.54, 94,931.78 and 18,915.76 is: 28,374.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,285.54 : 94,931.78 = 18,915.76 : x
  2. Step 2: Convert to fraction form
    63,285.54/94,931.78 = 18,915.76/x
  3. Step 3: Cross multiply
    63,285.54x = 94,931.78 × 18,915.76
  4. Step 4: Simplify right side
    63,285.54x = 1,795,706,476.52
  5. Step 5: Solve for x
    x = 1,795,706,476.52/63,285.54
  6. Step 6: Final answer
    x = 28,374.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.