Home / 31,784.71-43,862.75-17,637.52

Finding the Fourth Proportional to 31,784.71, 43,862.75 and 17,637.52

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Solution

The fourth proportional to 31,784.71, 43,862.75 and 17,637.52 is: 24,339.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,784.71 : 43,862.75 = 17,637.52 : x
  2. Step 2: Convert to fraction form
    31,784.71/43,862.75 = 17,637.52/x
  3. Step 3: Cross multiply
    31,784.71x = 43,862.75 × 17,637.52
  4. Step 4: Simplify right side
    31,784.71x = 773,629,911.07
  5. Step 5: Solve for x
    x = 773,629,911.07/31,784.71
  6. Step 6: Final answer
    x = 24,339.69

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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.