Home / 51,771.32-77,657.08-14,331.50

Finding the Fourth Proportional to 51,771.32, 77,657.08 and 14,331.50

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Solution

The fourth proportional to 51,771.32, 77,657.08 and 14,331.50 is: 21,497.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,771.32 : 77,657.08 = 14,331.50 : x
  2. Step 2: Convert to fraction form
    51,771.32/77,657.08 = 14,331.50/x
  3. Step 3: Cross multiply
    51,771.32x = 77,657.08 × 14,331.50
  4. Step 4: Simplify right side
    51,771.32x = 1,112,942,017.91
  5. Step 5: Solve for x
    x = 1,112,942,017.91/51,771.32
  6. Step 6: Final answer
    x = 21,497.27

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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.