Home / 54,638.77-75,406.90-31,976.41

Finding the Fourth Proportional to 54,638.77, 75,406.90 and 31,976.41

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Solution

The fourth proportional to 54,638.77, 75,406.90 and 31,976.41 is: 44,130.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,638.77 : 75,406.90 = 31,976.41 : x
  2. Step 2: Convert to fraction form
    54,638.77/75,406.90 = 31,976.41/x
  3. Step 3: Cross multiply
    54,638.77x = 75,406.90 × 31,976.41
  4. Step 4: Simplify right side
    54,638.77x = 2,411,241,682.77
  5. Step 5: Solve for x
    x = 2,411,241,682.77/54,638.77
  6. Step 6: Final answer
    x = 44,130.60

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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.