Home / 51,794.16-77,679.72-20,205.06

Finding the Fourth Proportional to 51,794.16, 77,679.72 and 20,205.06

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Solution

The fourth proportional to 51,794.16, 77,679.72 and 20,205.06 is: 30,303.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,794.16 : 77,679.72 = 20,205.06 : x
  2. Step 2: Convert to fraction form
    51,794.16/77,679.72 = 20,205.06/x
  3. Step 3: Cross multiply
    51,794.16x = 77,679.72 × 20,205.06
  4. Step 4: Simplify right side
    51,794.16x = 1,569,523,403.38
  5. Step 5: Solve for x
    x = 1,569,523,403.38/51,794.16
  6. Step 6: Final answer
    x = 30,303.10

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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.