Home / 38,389.06-57,476.04-28,999.54

Finding the Fourth Proportional to 38,389.06, 57,476.04 and 28,999.54

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Solution

The fourth proportional to 38,389.06, 57,476.04 and 28,999.54 is: 43,418.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,389.06 : 57,476.04 = 28,999.54 : x
  2. Step 2: Convert to fraction form
    38,389.06/57,476.04 = 28,999.54/x
  3. Step 3: Cross multiply
    38,389.06x = 57,476.04 × 28,999.54
  4. Step 4: Simplify right side
    38,389.06x = 1,666,778,721.02
  5. Step 5: Solve for x
    x = 1,666,778,721.02/38,389.06
  6. Step 6: Final answer
    x = 43,418.07

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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.