Home / 54,435.37-75,118.30-30,237.87

Finding the Fourth Proportional to 54,435.37, 75,118.30 and 30,237.87

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Solution

The fourth proportional to 54,435.37, 75,118.30 and 30,237.87 is: 41,726.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,435.37 : 75,118.30 = 30,237.87 : x
  2. Step 2: Convert to fraction form
    54,435.37/75,118.30 = 30,237.87/x
  3. Step 3: Cross multiply
    54,435.37x = 75,118.30 × 30,237.87
  4. Step 4: Simplify right side
    54,435.37x = 2,271,417,390.02
  5. Step 5: Solve for x
    x = 2,271,417,390.02/54,435.37
  6. Step 6: Final answer
    x = 41,726.87

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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.