Home / 39,431.88-59,235.30-38,187.72

Finding the Fourth Proportional to 39,431.88, 59,235.30 and 38,187.72

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Solution

The fourth proportional to 39,431.88, 59,235.30 and 38,187.72 is: 57,366.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,431.88 : 59,235.30 = 38,187.72 : x
  2. Step 2: Convert to fraction form
    39,431.88/59,235.30 = 38,187.72/x
  3. Step 3: Cross multiply
    39,431.88x = 59,235.30 × 38,187.72
  4. Step 4: Simplify right side
    39,431.88x = 2,262,061,050.52
  5. Step 5: Solve for x
    x = 2,262,061,050.52/39,431.88
  6. Step 6: Final answer
    x = 57,366.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.