Home / 39,059.84-53,902.56-21,154.84

Finding the Fourth Proportional to 39,059.84, 53,902.56 and 21,154.84

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Solution

The fourth proportional to 39,059.84, 53,902.56 and 21,154.84 is: 29,193.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,059.84 : 53,902.56 = 21,154.84 : x
  2. Step 2: Convert to fraction form
    39,059.84/53,902.56 = 21,154.84/x
  3. Step 3: Cross multiply
    39,059.84x = 53,902.56 × 21,154.84
  4. Step 4: Simplify right side
    39,059.84x = 1,140,300,032.39
  5. Step 5: Solve for x
    x = 1,140,300,032.39/39,059.84
  6. Step 6: Final answer
    x = 29,193.67

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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.