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Finding the Fourth Proportional to 32,389.99, 44,698.76 and 18,243.34

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Solution

The fourth proportional to 32,389.99, 44,698.76 and 18,243.34 is: 25,176.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,389.99 : 44,698.76 = 18,243.34 : x
  2. Step 2: Convert to fraction form
    32,389.99/44,698.76 = 18,243.34/x
  3. Step 3: Cross multiply
    32,389.99x = 44,698.76 × 18,243.34
  4. Step 4: Simplify right side
    32,389.99x = 815,454,676.26
  5. Step 5: Solve for x
    x = 815,454,676.26/32,389.99
  6. Step 6: Final answer
    x = 25,176.13

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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.