Home / 32,638.79-45,042.41-18,491.54

Finding the Fourth Proportional to 32,638.79, 45,042.41 and 18,491.54

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Solution

The fourth proportional to 32,638.79, 45,042.41 and 18,491.54 is: 25,518.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,638.79 : 45,042.41 = 18,491.54 : x
  2. Step 2: Convert to fraction form
    32,638.79/45,042.41 = 18,491.54/x
  3. Step 3: Cross multiply
    32,638.79x = 45,042.41 × 18,491.54
  4. Step 4: Simplify right side
    32,638.79x = 832,903,347.23
  5. Step 5: Solve for x
    x = 832,903,347.23/32,638.79
  6. Step 6: Final answer
    x = 25,518.82

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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.