Home / 51,084.36-70,495.74-28,728.36

Finding the Fourth Proportional to 51,084.36, 70,495.74 and 28,728.36

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Solution

The fourth proportional to 51,084.36, 70,495.74 and 28,728.36 is: 39,644.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,084.36 : 70,495.74 = 28,728.36 : x
  2. Step 2: Convert to fraction form
    51,084.36/70,495.74 = 28,728.36/x
  3. Step 3: Cross multiply
    51,084.36x = 70,495.74 × 28,728.36
  4. Step 4: Simplify right side
    51,084.36x = 2,025,226,997.19
  5. Step 5: Solve for x
    x = 2,025,226,997.19/51,084.36
  6. Step 6: Final answer
    x = 39,644.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.