Home / 42,284.09-63,435.87-12,702.50

Finding the Fourth Proportional to 42,284.09, 63,435.87 and 12,702.50

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Solution

The fourth proportional to 42,284.09, 63,435.87 and 12,702.50 is: 19,056.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,284.09 : 63,435.87 = 12,702.50 : x
  2. Step 2: Convert to fraction form
    42,284.09/63,435.87 = 12,702.50/x
  3. Step 3: Cross multiply
    42,284.09x = 63,435.87 × 12,702.50
  4. Step 4: Simplify right side
    42,284.09x = 805,794,138.68
  5. Step 5: Solve for x
    x = 805,794,138.68/42,284.09
  6. Step 6: Final answer
    x = 19,056.67

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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.