Home / 51,315.54-76,915.74-33,580.32

Finding the Fourth Proportional to 51,315.54, 76,915.74 and 33,580.32

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Solution

The fourth proportional to 51,315.54, 76,915.74 and 33,580.32 is: 50,332.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,315.54 : 76,915.74 = 33,580.32 : x
  2. Step 2: Convert to fraction form
    51,315.54/76,915.74 = 33,580.32/x
  3. Step 3: Cross multiply
    51,315.54x = 76,915.74 × 33,580.32
  4. Step 4: Simplify right side
    51,315.54x = 2,582,855,162.24
  5. Step 5: Solve for x
    x = 2,582,855,162.24/51,315.54
  6. Step 6: Final answer
    x = 50,332.81

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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.