Home / 32,631.02-45,020.09-18,288.75

Finding the Fourth Proportional to 32,631.02, 45,020.09 and 18,288.75

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Solution

The fourth proportional to 32,631.02, 45,020.09 and 18,288.75 is: 25,232.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,631.02 : 45,020.09 = 18,288.75 : x
  2. Step 2: Convert to fraction form
    32,631.02/45,020.09 = 18,288.75/x
  3. Step 3: Cross multiply
    32,631.02x = 45,020.09 × 18,288.75
  4. Step 4: Simplify right side
    32,631.02x = 823,361,216.71
  5. Step 5: Solve for x
    x = 823,361,216.71/32,631.02
  6. Step 6: Final answer
    x = 25,232.47

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Double scale
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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.