Home / 30,670.15-46,006.13-8,485.16

Finding the Fourth Proportional to 30,670.15, 46,006.13 and 8,485.16

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Solution

The fourth proportional to 30,670.15, 46,006.13 and 8,485.16 is: 12,727.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,670.15 : 46,006.13 = 8,485.16 : x
  2. Step 2: Convert to fraction form
    30,670.15/46,006.13 = 8,485.16/x
  3. Step 3: Cross multiply
    30,670.15x = 46,006.13 × 8,485.16
  4. Step 4: Simplify right side
    30,670.15x = 390,369,144.00
  5. Step 5: Solve for x
    x = 390,369,144.00/30,670.15
  6. Step 6: Final answer
    x = 12,727.98

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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.