Home / 31,148.22-42,984.53-17,001.07

Finding the Fourth Proportional to 31,148.22, 42,984.53 and 17,001.07

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Solution

The fourth proportional to 31,148.22, 42,984.53 and 17,001.07 is: 23,461.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,148.22 : 42,984.53 = 17,001.07 : x
  2. Step 2: Convert to fraction form
    31,148.22/42,984.53 = 17,001.07/x
  3. Step 3: Cross multiply
    31,148.22x = 42,984.53 × 17,001.07
  4. Step 4: Simplify right side
    31,148.22x = 730,782,874.73
  5. Step 5: Solve for x
    x = 730,782,874.73/31,148.22
  6. Step 6: Final answer
    x = 23,461.46

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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.