Home / 54,665.64-75,438.72-31,699.91

Finding the Fourth Proportional to 54,665.64, 75,438.72 and 31,699.91

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Solution

The fourth proportional to 54,665.64, 75,438.72 and 31,699.91 is: 43,745.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,665.64 : 75,438.72 = 31,699.91 : x
  2. Step 2: Convert to fraction form
    54,665.64/75,438.72 = 31,699.91/x
  3. Step 3: Cross multiply
    54,665.64x = 75,438.72 × 31,699.91
  4. Step 4: Simplify right side
    54,665.64x = 2,391,400,823.11
  5. Step 5: Solve for x
    x = 2,391,400,823.11/54,665.64
  6. Step 6: Final answer
    x = 43,745.96

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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.