Home / 32,820.12-45,295.56-18,675.18

Finding the Fourth Proportional to 32,820.12, 45,295.56 and 18,675.18

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Solution

The fourth proportional to 32,820.12, 45,295.56 and 18,675.18 is: 25,773.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,820.12 : 45,295.56 = 18,675.18 : x
  2. Step 2: Convert to fraction form
    32,820.12/45,295.56 = 18,675.18/x
  3. Step 3: Cross multiply
    32,820.12x = 45,295.56 × 18,675.18
  4. Step 4: Simplify right side
    32,820.12x = 845,902,736.20
  5. Step 5: Solve for x
    x = 845,902,736.20/32,820.12
  6. Step 6: Final answer
    x = 25,773.91

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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.