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Finding the Fourth Proportional to 29,375.39, 44,068.53 and 18,913.34

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Solution

The fourth proportional to 29,375.39, 44,068.53 and 18,913.34 is: 28,373.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,375.39 : 44,068.53 = 18,913.34 : x
  2. Step 2: Convert to fraction form
    29,375.39/44,068.53 = 18,913.34/x
  3. Step 3: Cross multiply
    29,375.39x = 44,068.53 × 18,913.34
  4. Step 4: Simplify right side
    29,375.39x = 833,483,091.19
  5. Step 5: Solve for x
    x = 833,483,091.19/29,375.39
  6. Step 6: Final answer
    x = 28,373.52

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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.