Home / 39,746.08-54,783.70-38,694.33

Finding the Fourth Proportional to 39,746.08, 54,783.70 and 38,694.33

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Solution

The fourth proportional to 39,746.08, 54,783.70 and 38,694.33 is: 53,334.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,746.08 : 54,783.70 = 38,694.33 : x
  2. Step 2: Convert to fraction form
    39,746.08/54,783.70 = 38,694.33/x
  3. Step 3: Cross multiply
    39,746.08x = 54,783.70 × 38,694.33
  4. Step 4: Simplify right side
    39,746.08x = 2,119,818,566.42
  5. Step 5: Solve for x
    x = 2,119,818,566.42/39,746.08
  6. Step 6: Final answer
    x = 53,334.03

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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.