Home / 51,905.46-77,858.24-14,465.64

Finding the Fourth Proportional to 51,905.46, 77,858.24 and 14,465.64

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Solution

The fourth proportional to 51,905.46, 77,858.24 and 14,465.64 is: 21,698.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,905.46 : 77,858.24 = 14,465.64 : x
  2. Step 2: Convert to fraction form
    51,905.46/77,858.24 = 14,465.64/x
  3. Step 3: Cross multiply
    51,905.46x = 77,858.24 × 14,465.64
  4. Step 4: Simplify right side
    51,905.46x = 1,126,269,270.87
  5. Step 5: Solve for x
    x = 1,126,269,270.87/51,905.46
  6. Step 6: Final answer
    x = 21,698.47

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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.