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Finding the Fourth Proportional to 30,368.62, 45,566.07 and 16,312.24

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Solution

The fourth proportional to 30,368.62, 45,566.07 and 16,312.24 is: 24,475.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,368.62 : 45,566.07 = 16,312.24 : x
  2. Step 2: Convert to fraction form
    30,368.62/45,566.07 = 16,312.24/x
  3. Step 3: Cross multiply
    30,368.62x = 45,566.07 × 16,312.24
  4. Step 4: Simplify right side
    30,368.62x = 743,284,669.70
  5. Step 5: Solve for x
    x = 743,284,669.70/30,368.62
  6. Step 6: Final answer
    x = 24,475.42

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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.