Home / 39,683.12-54,762.73-23,776.79

Finding the Fourth Proportional to 39,683.12, 54,762.73 and 23,776.79

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Solution

The fourth proportional to 39,683.12, 54,762.73 and 23,776.79 is: 32,811.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,683.12 : 54,762.73 = 23,776.79 : x
  2. Step 2: Convert to fraction form
    39,683.12/54,762.73 = 23,776.79/x
  3. Step 3: Cross multiply
    39,683.12x = 54,762.73 × 23,776.79
  4. Step 4: Simplify right side
    39,683.12x = 1,302,081,597.78
  5. Step 5: Solve for x
    x = 1,302,081,597.78/39,683.12
  6. Step 6: Final answer
    x = 32,811.98

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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.