Home / 32,998.32-45,537.12-18,657.90

Finding the Fourth Proportional to 32,998.32, 45,537.12 and 18,657.90

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Solution

The fourth proportional to 32,998.32, 45,537.12 and 18,657.90 is: 25,747.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,998.32 : 45,537.12 = 18,657.90 : x
  2. Step 2: Convert to fraction form
    32,998.32/45,537.12 = 18,657.90/x
  3. Step 3: Cross multiply
    32,998.32x = 45,537.12 × 18,657.90
  4. Step 4: Simplify right side
    32,998.32x = 849,627,031.25
  5. Step 5: Solve for x
    x = 849,627,031.25/32,998.32
  6. Step 6: Final answer
    x = 25,747.58

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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.