Home / 52,740.38-72,779.94-28,866.56

Finding the Fourth Proportional to 52,740.38, 72,779.94 and 28,866.56

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Solution

The fourth proportional to 52,740.38, 72,779.94 and 28,866.56 is: 39,834.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,740.38 : 72,779.94 = 28,866.56 : x
  2. Step 2: Convert to fraction form
    52,740.38/72,779.94 = 28,866.56/x
  3. Step 3: Cross multiply
    52,740.38x = 72,779.94 × 28,866.56
  4. Step 4: Simplify right side
    52,740.38x = 2,100,906,504.81
  5. Step 5: Solve for x
    x = 2,100,906,504.81/52,740.38
  6. Step 6: Final answer
    x = 39,834.88

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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.