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Finding the Fourth Proportional to 30,000.77, 41,401.50 and 17,425.52

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Solution

The fourth proportional to 30,000.77, 41,401.50 and 17,425.52 is: 24,047.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,000.77 : 41,401.50 = 17,425.52 : x
  2. Step 2: Convert to fraction form
    30,000.77/41,401.50 = 17,425.52/x
  3. Step 3: Cross multiply
    30,000.77x = 41,401.50 × 17,425.52
  4. Step 4: Simplify right side
    30,000.77x = 721,442,666.28
  5. Step 5: Solve for x
    x = 721,442,666.28/30,000.77
  6. Step 6: Final answer
    x = 24,047.47

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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.