Home / 34,173.10-51,259.65-20,982.70

Finding the Fourth Proportional to 34,173.10, 51,259.65 and 20,982.70

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Solution

The fourth proportional to 34,173.10, 51,259.65 and 20,982.70 is: 31,474.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,173.10 : 51,259.65 = 20,982.70 : x
  2. Step 2: Convert to fraction form
    34,173.10/51,259.65 = 20,982.70/x
  3. Step 3: Cross multiply
    34,173.10x = 51,259.65 × 20,982.70
  4. Step 4: Simplify right side
    34,173.10x = 1,075,565,858.06
  5. Step 5: Solve for x
    x = 1,075,565,858.06/34,173.10
  6. Step 6: Final answer
    x = 31,474.05

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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.