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Finding the Fourth Proportional to 30,114.58, 45,169.71 and 9,337.54

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Solution

The fourth proportional to 30,114.58, 45,169.71 and 9,337.54 is: 14,005.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,114.58 : 45,169.71 = 9,337.54 : x
  2. Step 2: Convert to fraction form
    30,114.58/45,169.71 = 9,337.54/x
  3. Step 3: Cross multiply
    30,114.58x = 45,169.71 × 9,337.54
  4. Step 4: Simplify right side
    30,114.58x = 421,773,973.91
  5. Step 5: Solve for x
    x = 421,773,973.91/30,114.58
  6. Step 6: Final answer
    x = 14,005.64

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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.