Home / 38,781.19-53,516.63-23,699.09

Finding the Fourth Proportional to 38,781.19, 53,516.63 and 23,699.09

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Solution

The fourth proportional to 38,781.19, 53,516.63 and 23,699.09 is: 32,703.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,781.19 : 53,516.63 = 23,699.09 : x
  2. Step 2: Convert to fraction form
    38,781.19/53,516.63 = 23,699.09/x
  3. Step 3: Cross multiply
    38,781.19x = 53,516.63 × 23,699.09
  4. Step 4: Simplify right side
    38,781.19x = 1,268,295,430.87
  5. Step 5: Solve for x
    x = 1,268,295,430.87/38,781.19
  6. Step 6: Final answer
    x = 32,703.88

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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.