Home / 20,533.10-30,799.64-4,950.72

Finding the Fourth Proportional to 20,533.10, 30,799.64 and 4,950.72

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Solution

The fourth proportional to 20,533.10, 30,799.64 and 4,950.72 is: 7,426.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,533.10 : 30,799.64 = 4,950.72 : x
  2. Step 2: Convert to fraction form
    20,533.10/30,799.64 = 4,950.72/x
  3. Step 3: Cross multiply
    20,533.10x = 30,799.64 × 4,950.72
  4. Step 4: Simplify right side
    20,533.10x = 152,480,406.12
  5. Step 5: Solve for x
    x = 152,480,406.12/20,533.10
  6. Step 6: Final answer
    x = 7,426.08

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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.