Home / 54,415.57-75,089.37-30,537.63

Finding the Fourth Proportional to 54,415.57, 75,089.37 and 30,537.63

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Solution

The fourth proportional to 54,415.57, 75,089.37 and 30,537.63 is: 42,139.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,415.57 : 75,089.37 = 30,537.63 : x
  2. Step 2: Convert to fraction form
    54,415.57/75,089.37 = 30,537.63/x
  3. Step 3: Cross multiply
    54,415.57x = 75,089.37 × 30,537.63
  4. Step 4: Simplify right side
    54,415.57x = 2,293,051,702.23
  5. Step 5: Solve for x
    x = 2,293,051,702.23/54,415.57
  6. Step 6: Final answer
    x = 42,139.62

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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.