Home / 51,930.84-77,885.32-18,652.80

Finding the Fourth Proportional to 51,930.84, 77,885.32 and 18,652.80

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Solution

The fourth proportional to 51,930.84, 77,885.32 and 18,652.80 is: 27,975.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,930.84 : 77,885.32 = 18,652.80 : x
  2. Step 2: Convert to fraction form
    51,930.84/77,885.32 = 18,652.80/x
  3. Step 3: Cross multiply
    51,930.84x = 77,885.32 × 18,652.80
  4. Step 4: Simplify right side
    51,930.84x = 1,452,779,296.90
  5. Step 5: Solve for x
    x = 1,452,779,296.90/51,930.84
  6. Step 6: Final answer
    x = 27,975.27

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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.