Home / 31,148.49-42,984.77-17,001.30

Finding the Fourth Proportional to 31,148.49, 42,984.77 and 17,001.30

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Solution

The fourth proportional to 31,148.49, 42,984.77 and 17,001.30 is: 23,461.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,148.49 : 42,984.77 = 17,001.30 : x
  2. Step 2: Convert to fraction form
    31,148.49/42,984.77 = 17,001.30/x
  3. Step 3: Cross multiply
    31,148.49x = 42,984.77 × 17,001.30
  4. Step 4: Simplify right side
    31,148.49x = 730,796,885.19
  5. Step 5: Solve for x
    x = 730,796,885.19/31,148.49
  6. Step 6: Final answer
    x = 23,461.71

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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.