Home / 54,889.02-82,331.88-21,585.06

Finding the Fourth Proportional to 54,889.02, 82,331.88 and 21,585.06

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Solution

The fourth proportional to 54,889.02, 82,331.88 and 21,585.06 is: 32,376.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,889.02 : 82,331.88 = 21,585.06 : x
  2. Step 2: Convert to fraction form
    54,889.02/82,331.88 = 21,585.06/x
  3. Step 3: Cross multiply
    54,889.02x = 82,331.88 × 21,585.06
  4. Step 4: Simplify right side
    54,889.02x = 1,777,138,569.71
  5. Step 5: Solve for x
    x = 1,777,138,569.71/54,889.02
  6. Step 6: Final answer
    x = 32,376.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.