Home / 29,989.79-41,386.25-16,561.03

Finding the Fourth Proportional to 29,989.79, 41,386.25 and 16,561.03

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Solution

The fourth proportional to 29,989.79, 41,386.25 and 16,561.03 is: 22,854.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,989.79 : 41,386.25 = 16,561.03 : x
  2. Step 2: Convert to fraction form
    29,989.79/41,386.25 = 16,561.03/x
  3. Step 3: Cross multiply
    29,989.79x = 41,386.25 × 16,561.03
  4. Step 4: Simplify right side
    29,989.79x = 685,398,927.84
  5. Step 5: Solve for x
    x = 685,398,927.84/29,989.79
  6. Step 6: Final answer
    x = 22,854.41

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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.