Home / 32,657.70-45,069.41-18,322.07

Finding the Fourth Proportional to 32,657.70, 45,069.41 and 18,322.07

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Solution

The fourth proportional to 32,657.70, 45,069.41 and 18,322.07 is: 25,285.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,657.70 : 45,069.41 = 18,322.07 : x
  2. Step 2: Convert to fraction form
    32,657.70/45,069.41 = 18,322.07/x
  3. Step 3: Cross multiply
    32,657.70x = 45,069.41 × 18,322.07
  4. Step 4: Simplify right side
    32,657.70x = 825,764,881.56
  5. Step 5: Solve for x
    x = 825,764,881.56/32,657.70
  6. Step 6: Final answer
    x = 25,285.46

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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.