Home / 34,002.86-46,928.40-20,574.68

Finding the Fourth Proportional to 34,002.86, 46,928.40 and 20,574.68

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Solution

The fourth proportional to 34,002.86, 46,928.40 and 20,574.68 is: 28,395.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,002.86 : 46,928.40 = 20,574.68 : x
  2. Step 2: Convert to fraction form
    34,002.86/46,928.40 = 20,574.68/x
  3. Step 3: Cross multiply
    34,002.86x = 46,928.40 × 20,574.68
  4. Step 4: Simplify right side
    34,002.86x = 965,536,812.91
  5. Step 5: Solve for x
    x = 965,536,812.91/34,002.86
  6. Step 6: Final answer
    x = 28,395.75

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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.