Home / 38,762.30-53,491.29-21,766.68

Finding the Fourth Proportional to 38,762.30, 53,491.29 and 21,766.68

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Solution

The fourth proportional to 38,762.30, 53,491.29 and 21,766.68 is: 30,037.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,762.30 : 53,491.29 = 21,766.68 : x
  2. Step 2: Convert to fraction form
    38,762.30/53,491.29 = 21,766.68/x
  3. Step 3: Cross multiply
    38,762.30x = 53,491.29 × 21,766.68
  4. Step 4: Simplify right side
    38,762.30x = 1,164,327,792.22
  5. Step 5: Solve for x
    x = 1,164,327,792.22/38,762.30
  6. Step 6: Final answer
    x = 30,037.63

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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.