Home / 52,990.21-79,485.34-19,705.93

Finding the Fourth Proportional to 52,990.21, 79,485.34 and 19,705.93

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Solution

The fourth proportional to 52,990.21, 79,485.34 and 19,705.93 is: 29,558.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,990.21 : 79,485.34 = 19,705.93 : x
  2. Step 2: Convert to fraction form
    52,990.21/79,485.34 = 19,705.93/x
  3. Step 3: Cross multiply
    52,990.21x = 79,485.34 × 19,705.93
  4. Step 4: Simplify right side
    52,990.21x = 1,566,332,754.43
  5. Step 5: Solve for x
    x = 1,566,332,754.43/52,990.21
  6. Step 6: Final answer
    x = 29,558.91

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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.