Home / 44,052.49-66,078.75-12,887.74

Finding the Fourth Proportional to 44,052.49, 66,078.75 and 12,887.74

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Solution

The fourth proportional to 44,052.49, 66,078.75 and 12,887.74 is: 19,331.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,052.49 : 66,078.75 = 12,887.74 : x
  2. Step 2: Convert to fraction form
    44,052.49/66,078.75 = 12,887.74/x
  3. Step 3: Cross multiply
    44,052.49x = 66,078.75 × 12,887.74
  4. Step 4: Simplify right side
    44,052.49x = 851,605,880.45
  5. Step 5: Solve for x
    x = 851,605,880.45/44,052.49
  6. Step 6: Final answer
    x = 19,331.62

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1.5x scale

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.