Home / 30,641.02-42,284.62-17,212.28

Finding the Fourth Proportional to 30,641.02, 42,284.62 and 17,212.28

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Solution

The fourth proportional to 30,641.02, 42,284.62 and 17,212.28 is: 23,752.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,641.02 : 42,284.62 = 17,212.28 : x
  2. Step 2: Convert to fraction form
    30,641.02/42,284.62 = 17,212.28/x
  3. Step 3: Cross multiply
    30,641.02x = 42,284.62 × 17,212.28
  4. Step 4: Simplify right side
    30,641.02x = 727,814,507.71
  5. Step 5: Solve for x
    x = 727,814,507.71/30,641.02
  6. Step 6: Final answer
    x = 23,752.95

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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.