Home / 47,715.84-71,570.88-14,435.28

Finding the Fourth Proportional to 47,715.84, 71,570.88 and 14,435.28

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Solution

The fourth proportional to 47,715.84, 71,570.88 and 14,435.28 is: 21,652.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,715.84 : 71,570.88 = 14,435.28 : x
  2. Step 2: Convert to fraction form
    47,715.84/71,570.88 = 14,435.28/x
  3. Step 3: Cross multiply
    47,715.84x = 71,570.88 × 14,435.28
  4. Step 4: Simplify right side
    47,715.84x = 1,033,145,692.65
  5. Step 5: Solve for x
    x = 1,033,145,692.65/47,715.84
  6. Step 6: Final answer
    x = 21,652.05

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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.