Home / 38,938.78-53,736.60-23,831.18

Finding the Fourth Proportional to 38,938.78, 53,736.60 and 23,831.18

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Solution

The fourth proportional to 38,938.78, 53,736.60 and 23,831.18 is: 32,887.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,938.78 : 53,736.60 = 23,831.18 : x
  2. Step 2: Convert to fraction form
    38,938.78/53,736.60 = 23,831.18/x
  3. Step 3: Cross multiply
    38,938.78x = 53,736.60 × 23,831.18
  4. Step 4: Simplify right side
    38,938.78x = 1,280,606,587.19
  5. Step 5: Solve for x
    x = 1,280,606,587.19/38,938.78
  6. Step 6: Final answer
    x = 32,887.69

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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.