Home / 30,746.66-46,115.40-8,557.72

Finding the Fourth Proportional to 30,746.66, 46,115.40 and 8,557.72

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Solution

The fourth proportional to 30,746.66, 46,115.40 and 8,557.72 is: 12,835.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,746.66 : 46,115.40 = 8,557.72 : x
  2. Step 2: Convert to fraction form
    30,746.66/46,115.40 = 8,557.72/x
  3. Step 3: Cross multiply
    30,746.66x = 46,115.40 × 8,557.72
  4. Step 4: Simplify right side
    30,746.66x = 394,642,796.18
  5. Step 5: Solve for x
    x = 394,642,796.18/30,746.66
  6. Step 6: Final answer
    x = 12,835.31

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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.