Home / 35,465.28-48,942.12-19,550.40

Finding the Fourth Proportional to 35,465.28, 48,942.12 and 19,550.40

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Solution

The fourth proportional to 35,465.28, 48,942.12 and 19,550.40 is: 26,979.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,465.28 : 48,942.12 = 19,550.40 : x
  2. Step 2: Convert to fraction form
    35,465.28/48,942.12 = 19,550.40/x
  3. Step 3: Cross multiply
    35,465.28x = 48,942.12 × 19,550.40
  4. Step 4: Simplify right side
    35,465.28x = 956,838,022.85
  5. Step 5: Solve for x
    x = 956,838,022.85/35,465.28
  6. Step 6: Final answer
    x = 26,979.57

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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.