Home / 77,729.96-116,595.25-21,574.49

Finding the Fourth Proportional to 77,729.96, 116,595.25 and 21,574.49

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Solution

The fourth proportional to 77,729.96, 116,595.25 and 21,574.49 is: 32,361.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,729.96 : 116,595.25 = 21,574.49 : x
  2. Step 2: Convert to fraction form
    77,729.96/116,595.25 = 21,574.49/x
  3. Step 3: Cross multiply
    77,729.96x = 116,595.25 × 21,574.49
  4. Step 4: Simplify right side
    77,729.96x = 2,515,482,418.26
  5. Step 5: Solve for x
    x = 2,515,482,418.26/77,729.96
  6. Step 6: Final answer
    x = 32,361.81

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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.