Home / 46,379.80-69,574.56-20,087.20

Finding the Fourth Proportional to 46,379.80, 69,574.56 and 20,087.20

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Solution

The fourth proportional to 46,379.80, 69,574.56 and 20,087.20 is: 30,132.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,379.80 : 69,574.56 = 20,087.20 : x
  2. Step 2: Convert to fraction form
    46,379.80/69,574.56 = 20,087.20/x
  3. Step 3: Cross multiply
    46,379.80x = 69,574.56 × 20,087.20
  4. Step 4: Simplify right side
    46,379.80x = 1,397,558,101.63
  5. Step 5: Solve for x
    x = 1,397,558,101.63/46,379.80
  6. Step 6: Final answer
    x = 30,132.90

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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.