Home / 32,661.10-45,071.49-18,513.94

Finding the Fourth Proportional to 32,661.10, 45,071.49 and 18,513.94

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Solution

The fourth proportional to 32,661.10, 45,071.49 and 18,513.94 is: 25,548.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,661.10 : 45,071.49 = 18,513.94 : x
  2. Step 2: Convert to fraction form
    32,661.10/45,071.49 = 18,513.94/x
  3. Step 3: Cross multiply
    32,661.10x = 45,071.49 × 18,513.94
  4. Step 4: Simplify right side
    32,661.10x = 834,450,861.57
  5. Step 5: Solve for x
    x = 834,450,861.57/32,661.10
  6. Step 6: Final answer
    x = 25,548.77

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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.