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Finding the Fourth Proportional to 30,000.70, 45,001.05 and 29,563.30

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Solution

The fourth proportional to 30,000.70, 45,001.05 and 29,563.30 is: 44,344.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,000.70 : 45,001.05 = 29,563.30 : x
  2. Step 2: Convert to fraction form
    30,000.70/45,001.05 = 29,563.30/x
  3. Step 3: Cross multiply
    30,000.70x = 45,001.05 × 29,563.30
  4. Step 4: Simplify right side
    30,000.70x = 1,330,379,541.47
  5. Step 5: Solve for x
    x = 1,330,379,541.47/30,000.70
  6. Step 6: Final answer
    x = 44,344.95

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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.