Home / 38,483.14-53,106.22-21,487.67

Finding the Fourth Proportional to 38,483.14, 53,106.22 and 21,487.67

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Solution

The fourth proportional to 38,483.14, 53,106.22 and 21,487.67 is: 29,652.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,483.14 : 53,106.22 = 21,487.67 : x
  2. Step 2: Convert to fraction form
    38,483.14/53,106.22 = 21,487.67/x
  3. Step 3: Cross multiply
    38,483.14x = 53,106.22 × 21,487.67
  4. Step 4: Simplify right side
    38,483.14x = 1,141,128,930.31
  5. Step 5: Solve for x
    x = 1,141,128,930.31/38,483.14
  6. Step 6: Final answer
    x = 29,652.70

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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.