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Finding the Fourth Proportional to 32,806.10, 45,271.92 and 19,203.51

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Solution

The fourth proportional to 32,806.10, 45,271.92 and 19,203.51 is: 26,500.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,806.10 : 45,271.92 = 19,203.51 : x
  2. Step 2: Convert to fraction form
    32,806.10/45,271.92 = 19,203.51/x
  3. Step 3: Cross multiply
    32,806.10x = 45,271.92 × 19,203.51
  4. Step 4: Simplify right side
    32,806.10x = 869,380,010.22
  5. Step 5: Solve for x
    x = 869,380,010.22/32,806.10
  6. Step 6: Final answer
    x = 26,500.56

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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.