Home / 47,753.49-71,630.16-12,693.15

Finding the Fourth Proportional to 47,753.49, 71,630.16 and 12,693.15

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Solution

The fourth proportional to 47,753.49, 71,630.16 and 12,693.15 is: 19,039.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,753.49 : 71,630.16 = 12,693.15 : x
  2. Step 2: Convert to fraction form
    47,753.49/71,630.16 = 12,693.15/x
  3. Step 3: Cross multiply
    47,753.49x = 71,630.16 × 12,693.15
  4. Step 4: Simplify right side
    47,753.49x = 909,212,365.40
  5. Step 5: Solve for x
    x = 909,212,365.40/47,753.49
  6. Step 6: Final answer
    x = 19,039.71

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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.