Home / 54,302.02-81,427.47-21,037.66

Finding the Fourth Proportional to 54,302.02, 81,427.47 and 21,037.66

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Solution

The fourth proportional to 54,302.02, 81,427.47 and 21,037.66 is: 31,546.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,302.02 : 81,427.47 = 21,037.66 : x
  2. Step 2: Convert to fraction form
    54,302.02/81,427.47 = 21,037.66/x
  3. Step 3: Cross multiply
    54,302.02x = 81,427.47 × 21,037.66
  4. Step 4: Simplify right side
    54,302.02x = 1,713,043,428.52
  5. Step 5: Solve for x
    x = 1,713,043,428.52/54,302.02
  6. Step 6: Final answer
    x = 31,546.59

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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.