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Finding the Fourth Proportional to 29,980.59, 41,373.27 and 16,551.84

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Solution

The fourth proportional to 29,980.59, 41,373.27 and 16,551.84 is: 22,841.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,980.59 : 41,373.27 = 16,551.84 : x
  2. Step 2: Convert to fraction form
    29,980.59/41,373.27 = 16,551.84/x
  3. Step 3: Cross multiply
    29,980.59x = 41,373.27 × 16,551.84
  4. Step 4: Simplify right side
    29,980.59x = 684,803,745.32
  5. Step 5: Solve for x
    x = 684,803,745.32/29,980.59
  6. Step 6: Final answer
    x = 22,841.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.