Home / 38,688.10-53,399.08-23,589.09

Finding the Fourth Proportional to 38,688.10, 53,399.08 and 23,589.09

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Solution

The fourth proportional to 38,688.10, 53,399.08 and 23,589.09 is: 32,558.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,688.10 : 53,399.08 = 23,589.09 : x
  2. Step 2: Convert to fraction form
    38,688.10/53,399.08 = 23,589.09/x
  3. Step 3: Cross multiply
    38,688.10x = 53,399.08 × 23,589.09
  4. Step 4: Simplify right side
    38,688.10x = 1,259,635,733.52
  5. Step 5: Solve for x
    x = 1,259,635,733.52/38,688.10
  6. Step 6: Final answer
    x = 32,558.74

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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.