Home / 54,017.02-81,037.51-20,737.09

Finding the Fourth Proportional to 54,017.02, 81,037.51 and 20,737.09

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Solution

The fourth proportional to 54,017.02, 81,037.51 and 20,737.09 is: 31,110.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,017.02 : 81,037.51 = 20,737.09 : x
  2. Step 2: Convert to fraction form
    54,017.02/81,037.51 = 20,737.09/x
  3. Step 3: Cross multiply
    54,017.02x = 81,037.51 × 20,737.09
  4. Step 4: Simplify right side
    54,017.02x = 1,680,481,883.81
  5. Step 5: Solve for x
    x = 1,680,481,883.81/54,017.02
  6. Step 6: Final answer
    x = 31,110.23

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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.