Home / 31,743.04-43,804.72-18,313.32

Finding the Fourth Proportional to 31,743.04, 43,804.72 and 18,313.32

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Solution

The fourth proportional to 31,743.04, 43,804.72 and 18,313.32 is: 25,271.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,743.04 : 43,804.72 = 18,313.32 : x
  2. Step 2: Convert to fraction form
    31,743.04/43,804.72 = 18,313.32/x
  3. Step 3: Cross multiply
    31,743.04x = 43,804.72 × 18,313.32
  4. Step 4: Simplify right side
    31,743.04x = 802,209,854.87
  5. Step 5: Solve for x
    x = 802,209,854.87/31,743.04
  6. Step 6: Final answer
    x = 25,271.99

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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.