Home / 21,864.60-32,796.90-20,050.20

Finding the Fourth Proportional to 21,864.60, 32,796.90 and 20,050.20

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Solution

The fourth proportional to 21,864.60, 32,796.90 and 20,050.20 is: 30,075.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,864.60 : 32,796.90 = 20,050.20 : x
  2. Step 2: Convert to fraction form
    21,864.60/32,796.90 = 20,050.20/x
  3. Step 3: Cross multiply
    21,864.60x = 32,796.90 × 20,050.20
  4. Step 4: Simplify right side
    21,864.60x = 657,584,404.38
  5. Step 5: Solve for x
    x = 657,584,404.38/21,864.60
  6. Step 6: Final answer
    x = 30,075.30

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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.