Home / 31,834.08-43,933.65-20,527.11

Finding the Fourth Proportional to 31,834.08, 43,933.65 and 20,527.11

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Solution

The fourth proportional to 31,834.08, 43,933.65 and 20,527.11 is: 28,329.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,834.08 : 43,933.65 = 20,527.11 : x
  2. Step 2: Convert to fraction form
    31,834.08/43,933.65 = 20,527.11/x
  3. Step 3: Cross multiply
    31,834.08x = 43,933.65 × 20,527.11
  4. Step 4: Simplify right side
    31,834.08x = 901,830,866.25
  5. Step 5: Solve for x
    x = 901,830,866.25/31,834.08
  6. Step 6: Final answer
    x = 28,329.10

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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.