Home / 38,916.93-53,708.09-22,149.93

Finding the Fourth Proportional to 38,916.93, 53,708.09 and 22,149.93

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Solution

The fourth proportional to 38,916.93, 53,708.09 and 22,149.93 is: 30,568.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,916.93 : 53,708.09 = 22,149.93 : x
  2. Step 2: Convert to fraction form
    38,916.93/53,708.09 = 22,149.93/x
  3. Step 3: Cross multiply
    38,916.93x = 53,708.09 × 22,149.93
  4. Step 4: Simplify right side
    38,916.93x = 1,189,630,323.18
  5. Step 5: Solve for x
    x = 1,189,630,323.18/38,916.93
  6. Step 6: Final answer
    x = 30,568.45

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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.