Home / 52,738.77-72,779.67-28,866.99

Finding the Fourth Proportional to 52,738.77, 72,779.67 and 28,866.99

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Solution

The fourth proportional to 52,738.77, 72,779.67 and 28,866.99 is: 39,836.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,738.77 : 72,779.67 = 28,866.99 : x
  2. Step 2: Convert to fraction form
    52,738.77/72,779.67 = 28,866.99/x
  3. Step 3: Cross multiply
    52,738.77x = 72,779.67 × 28,866.99
  4. Step 4: Simplify right side
    52,738.77x = 2,100,930,006.09
  5. Step 5: Solve for x
    x = 2,100,930,006.09/52,738.77
  6. Step 6: Final answer
    x = 39,836.54

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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.