Home / 47,752.49-71,628.66-12,692.15

Finding the Fourth Proportional to 47,752.49, 71,628.66 and 12,692.15

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Solution

The fourth proportional to 47,752.49, 71,628.66 and 12,692.15 is: 19,038.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,752.49 : 71,628.66 = 12,692.15 : x
  2. Step 2: Convert to fraction form
    47,752.49/71,628.66 = 12,692.15/x
  3. Step 3: Cross multiply
    47,752.49x = 71,628.66 × 12,692.15
  4. Step 4: Simplify right side
    47,752.49x = 909,121,370.33
  5. Step 5: Solve for x
    x = 909,121,370.33/47,752.49
  6. Step 6: Final answer
    x = 19,038.20

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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.