Home / 54,428.22-75,122.82-39,155.58

Finding the Fourth Proportional to 54,428.22, 75,122.82 and 39,155.58

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Solution

The fourth proportional to 54,428.22, 75,122.82 and 39,155.58 is: 54,043.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,428.22 : 75,122.82 = 39,155.58 : x
  2. Step 2: Convert to fraction form
    54,428.22/75,122.82 = 39,155.58/x
  3. Step 3: Cross multiply
    54,428.22x = 75,122.82 × 39,155.58
  4. Step 4: Simplify right side
    54,428.22x = 2,941,477,588.34
  5. Step 5: Solve for x
    x = 2,941,477,588.34/54,428.22
  6. Step 6: Final answer
    x = 54,043.24

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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.