Home / 31,038.88-46,558.32-7,665.76

Finding the Fourth Proportional to 31,038.88, 46,558.32 and 7,665.76

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Solution

The fourth proportional to 31,038.88, 46,558.32 and 7,665.76 is: 11,498.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,038.88 : 46,558.32 = 7,665.76 : x
  2. Step 2: Convert to fraction form
    31,038.88/46,558.32 = 7,665.76/x
  3. Step 3: Cross multiply
    31,038.88x = 46,558.32 × 7,665.76
  4. Step 4: Simplify right side
    31,038.88x = 356,904,907.12
  5. Step 5: Solve for x
    x = 356,904,907.12/31,038.88
  6. Step 6: Final answer
    x = 11,498.64

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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.