Home / 39,107.73-53,929.81-29,440.34

Finding the Fourth Proportional to 39,107.73, 53,929.81 and 29,440.34

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Solution

The fourth proportional to 39,107.73, 53,929.81 and 29,440.34 is: 40,598.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,107.73 : 53,929.81 = 29,440.34 : x
  2. Step 2: Convert to fraction form
    39,107.73/53,929.81 = 29,440.34/x
  3. Step 3: Cross multiply
    39,107.73x = 53,929.81 × 29,440.34
  4. Step 4: Simplify right side
    39,107.73x = 1,587,711,911.92
  5. Step 5: Solve for x
    x = 1,587,711,911.92/39,107.73
  6. Step 6: Final answer
    x = 40,598.41

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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.