Home / 20,050.76-30,075.24-6,903.20

Finding the Fourth Proportional to 20,050.76, 30,075.24 and 6,903.20

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Solution

The fourth proportional to 20,050.76, 30,075.24 and 6,903.20 is: 10,354.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,050.76 : 30,075.24 = 6,903.20 : x
  2. Step 2: Convert to fraction form
    20,050.76/30,075.24 = 6,903.20/x
  3. Step 3: Cross multiply
    20,050.76x = 30,075.24 × 6,903.20
  4. Step 4: Simplify right side
    20,050.76x = 207,615,396.77
  5. Step 5: Solve for x
    x = 207,615,396.77/20,050.76
  6. Step 6: Final answer
    x = 10,354.49

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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.