Home / 47,278.94-70,928.78-14,001.60

Finding the Fourth Proportional to 47,278.94, 70,928.78 and 14,001.60

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Solution

The fourth proportional to 47,278.94, 70,928.78 and 14,001.60 is: 21,005.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,278.94 : 70,928.78 = 14,001.60 : x
  2. Step 2: Convert to fraction form
    47,278.94/70,928.78 = 14,001.60/x
  3. Step 3: Cross multiply
    47,278.94x = 70,928.78 × 14,001.60
  4. Step 4: Simplify right side
    47,278.94x = 993,116,406.05
  5. Step 5: Solve for x
    x = 993,116,406.05/47,278.94
  6. Step 6: Final answer
    x = 21,005.47

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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.