Home / 39,132.99-53,986.31-26,381.51

Finding the Fourth Proportional to 39,132.99, 53,986.31 and 26,381.51

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Solution

The fourth proportional to 39,132.99, 53,986.31 and 26,381.51 is: 36,394.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,132.99 : 53,986.31 = 26,381.51 : x
  2. Step 2: Convert to fraction form
    39,132.99/53,986.31 = 26,381.51/x
  3. Step 3: Cross multiply
    39,132.99x = 53,986.31 × 26,381.51
  4. Step 4: Simplify right side
    39,132.99x = 1,424,240,728.74
  5. Step 5: Solve for x
    x = 1,424,240,728.74/39,132.99
  6. Step 6: Final answer
    x = 36,394.89

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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.