Home / 43,098.07-64,668.29-19,421.97

Finding the Fourth Proportional to 43,098.07, 64,668.29 and 19,421.97

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Solution

The fourth proportional to 43,098.07, 64,668.29 and 19,421.97 is: 29,142.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,098.07 : 64,668.29 = 19,421.97 : x
  2. Step 2: Convert to fraction form
    43,098.07/64,668.29 = 19,421.97/x
  3. Step 3: Cross multiply
    43,098.07x = 64,668.29 × 19,421.97
  4. Step 4: Simplify right side
    43,098.07x = 1,255,985,588.33
  5. Step 5: Solve for x
    x = 1,255,985,588.33/43,098.07
  6. Step 6: Final answer
    x = 29,142.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.