Home / 30,752.22-42,432.44-17,320.61

Finding the Fourth Proportional to 30,752.22, 42,432.44 and 17,320.61

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Solution

The fourth proportional to 30,752.22, 42,432.44 and 17,320.61 is: 23,899.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,752.22 : 42,432.44 = 17,320.61 : x
  2. Step 2: Convert to fraction form
    30,752.22/42,432.44 = 17,320.61/x
  3. Step 3: Cross multiply
    30,752.22x = 42,432.44 × 17,320.61
  4. Step 4: Simplify right side
    30,752.22x = 734,955,445.82
  5. Step 5: Solve for x
    x = 734,955,445.82/30,752.22
  6. Step 6: Final answer
    x = 23,899.26

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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.