Home / 40,618.80-60,900.39-21,646.26

Finding the Fourth Proportional to 40,618.80, 60,900.39 and 21,646.26

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Solution

The fourth proportional to 40,618.80, 60,900.39 and 21,646.26 is: 32,454.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,618.80 : 60,900.39 = 21,646.26 : x
  2. Step 2: Convert to fraction form
    40,618.80/60,900.39 = 21,646.26/x
  3. Step 3: Cross multiply
    40,618.80x = 60,900.39 × 21,646.26
  4. Step 4: Simplify right side
    40,618.80x = 1,318,265,676.04
  5. Step 5: Solve for x
    x = 1,318,265,676.04/40,618.80
  6. Step 6: Final answer
    x = 32,454.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.