Home / 31,543.01-43,528.55-17,394.94

Finding the Fourth Proportional to 31,543.01, 43,528.55 and 17,394.94

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Solution

The fourth proportional to 31,543.01, 43,528.55 and 17,394.94 is: 24,004.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,543.01 : 43,528.55 = 17,394.94 : x
  2. Step 2: Convert to fraction form
    31,543.01/43,528.55 = 17,394.94/x
  3. Step 3: Cross multiply
    31,543.01x = 43,528.55 × 17,394.94
  4. Step 4: Simplify right side
    31,543.01x = 757,176,319.74
  5. Step 5: Solve for x
    x = 757,176,319.74/31,543.01
  6. Step 6: Final answer
    x = 24,004.57

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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.