Home / 29,430.61-44,144.94-12,790.66

Finding the Fourth Proportional to 29,430.61, 44,144.94 and 12,790.66

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Solution

The fourth proportional to 29,430.61, 44,144.94 and 12,790.66 is: 19,185.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,430.61 : 44,144.94 = 12,790.66 : x
  2. Step 2: Convert to fraction form
    29,430.61/44,144.94 = 12,790.66/x
  3. Step 3: Cross multiply
    29,430.61x = 44,144.94 × 12,790.66
  4. Step 4: Simplify right side
    29,430.61x = 564,642,918.26
  5. Step 5: Solve for x
    x = 564,642,918.26/29,430.61
  6. Step 6: Final answer
    x = 19,185.57

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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.