Home / 30,887.52-42,622.56-17,459.36

Finding the Fourth Proportional to 30,887.52, 42,622.56 and 17,459.36

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Solution

The fourth proportional to 30,887.52, 42,622.56 and 17,459.36 is: 24,092.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,887.52 : 42,622.56 = 17,459.36 : x
  2. Step 2: Convert to fraction form
    30,887.52/42,622.56 = 17,459.36/x
  3. Step 3: Cross multiply
    30,887.52x = 42,622.56 × 17,459.36
  4. Step 4: Simplify right side
    30,887.52x = 744,162,619.16
  5. Step 5: Solve for x
    x = 744,162,619.16/30,887.52
  6. Step 6: Final answer
    x = 24,092.66

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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.