Home / 38,917.61-53,707.61-23,015.69

Finding the Fourth Proportional to 38,917.61, 53,707.61 and 23,015.69

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Solution

The fourth proportional to 38,917.61, 53,707.61 and 23,015.69 is: 31,762.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,917.61 : 53,707.61 = 23,015.69 : x
  2. Step 2: Convert to fraction form
    38,917.61/53,707.61 = 23,015.69/x
  3. Step 3: Cross multiply
    38,917.61x = 53,707.61 × 23,015.69
  4. Step 4: Simplify right side
    38,917.61x = 1,236,117,491.40
  5. Step 5: Solve for x
    x = 1,236,117,491.40/38,917.61
  6. Step 6: Final answer
    x = 31,762.42

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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.