Home / 30,761.67-42,455.02-17,336.22

Finding the Fourth Proportional to 30,761.67, 42,455.02 and 17,336.22

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Solution

The fourth proportional to 30,761.67, 42,455.02 and 17,336.22 is: 23,926.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,761.67 : 42,455.02 = 17,336.22 : x
  2. Step 2: Convert to fraction form
    30,761.67/42,455.02 = 17,336.22/x
  3. Step 3: Cross multiply
    30,761.67x = 42,455.02 × 17,336.22
  4. Step 4: Simplify right side
    30,761.67x = 736,009,523.48
  5. Step 5: Solve for x
    x = 736,009,523.48/30,761.67
  6. Step 6: Final answer
    x = 23,926.19

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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.