Home / 69,782.82-96,298.23-39,570.90

Finding the Fourth Proportional to 69,782.82, 96,298.23 and 39,570.90

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Solution

The fourth proportional to 69,782.82, 96,298.23 and 39,570.90 is: 54,606.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,782.82 : 96,298.23 = 39,570.90 : x
  2. Step 2: Convert to fraction form
    69,782.82/96,298.23 = 39,570.90/x
  3. Step 3: Cross multiply
    69,782.82x = 96,298.23 × 39,570.90
  4. Step 4: Simplify right side
    69,782.82x = 3,810,607,629.51
  5. Step 5: Solve for x
    x = 3,810,607,629.51/69,782.82
  6. Step 6: Final answer
    x = 54,606.67

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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.