Home / 30,777.84-46,167.12-11,070.48

Finding the Fourth Proportional to 30,777.84, 46,167.12 and 11,070.48

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Solution

The fourth proportional to 30,777.84, 46,167.12 and 11,070.48 is: 16,605.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,777.84 : 46,167.12 = 11,070.48 : x
  2. Step 2: Convert to fraction form
    30,777.84/46,167.12 = 11,070.48/x
  3. Step 3: Cross multiply
    30,777.84x = 46,167.12 × 11,070.48
  4. Step 4: Simplify right side
    30,777.84x = 511,092,178.62
  5. Step 5: Solve for x
    x = 511,092,178.62/30,777.84
  6. Step 6: Final answer
    x = 16,605.85

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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.