Home / 32,945.79-45,486.15-21,635.37

Finding the Fourth Proportional to 32,945.79, 45,486.15 and 21,635.37

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Solution

The fourth proportional to 32,945.79, 45,486.15 and 21,635.37 is: 29,870.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,945.79 : 45,486.15 = 21,635.37 : x
  2. Step 2: Convert to fraction form
    32,945.79/45,486.15 = 21,635.37/x
  3. Step 3: Cross multiply
    32,945.79x = 45,486.15 × 21,635.37
  4. Step 4: Simplify right side
    32,945.79x = 984,109,685.13
  5. Step 5: Solve for x
    x = 984,109,685.13/32,945.79
  6. Step 6: Final answer
    x = 29,870.57

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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.