Home / 65,482.21-98,179.57-20,488.33

Finding the Fourth Proportional to 65,482.21, 98,179.57 and 20,488.33

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Solution

The fourth proportional to 65,482.21, 98,179.57 and 20,488.33 is: 30,718.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,482.21 : 98,179.57 = 20,488.33 : x
  2. Step 2: Convert to fraction form
    65,482.21/98,179.57 = 20,488.33/x
  3. Step 3: Cross multiply
    65,482.21x = 98,179.57 × 20,488.33
  4. Step 4: Simplify right side
    65,482.21x = 2,011,535,429.42
  5. Step 5: Solve for x
    x = 2,011,535,429.42/65,482.21
  6. Step 6: Final answer
    x = 30,718.81

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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.