Home / 32,630.02-45,018.71-18,287.75

Finding the Fourth Proportional to 32,630.02, 45,018.71 and 18,287.75

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Solution

The fourth proportional to 32,630.02, 45,018.71 and 18,287.75 is: 25,231.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,630.02 : 45,018.71 = 18,287.75 : x
  2. Step 2: Convert to fraction form
    32,630.02/45,018.71 = 18,287.75/x
  3. Step 3: Cross multiply
    32,630.02x = 45,018.71 × 18,287.75
  4. Step 4: Simplify right side
    32,630.02x = 823,290,913.80
  5. Step 5: Solve for x
    x = 823,290,913.80/32,630.02
  6. Step 6: Final answer
    x = 25,231.09

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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.