Home / 35,124.87-48,475.55-20,977.41

Finding the Fourth Proportional to 35,124.87, 48,475.55 and 20,977.41

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Solution

The fourth proportional to 35,124.87, 48,475.55 and 20,977.41 is: 28,950.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,124.87 : 48,475.55 = 20,977.41 : x
  2. Step 2: Convert to fraction form
    35,124.87/48,475.55 = 20,977.41/x
  3. Step 3: Cross multiply
    35,124.87x = 48,475.55 × 20,977.41
  4. Step 4: Simplify right side
    35,124.87x = 1,016,891,539.77
  5. Step 5: Solve for x
    x = 1,016,891,539.77/35,124.87
  6. Step 6: Final answer
    x = 28,950.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.