Home / 30,402.20-45,607.86-10,677.28

Finding the Fourth Proportional to 30,402.20, 45,607.86 and 10,677.28

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Solution

The fourth proportional to 30,402.20, 45,607.86 and 10,677.28 is: 16,017.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,402.20 : 45,607.86 = 10,677.28 : x
  2. Step 2: Convert to fraction form
    30,402.20/45,607.86 = 10,677.28/x
  3. Step 3: Cross multiply
    30,402.20x = 45,607.86 × 10,677.28
  4. Step 4: Simplify right side
    30,402.20x = 486,967,891.42
  5. Step 5: Solve for x
    x = 486,967,891.42/30,402.20
  6. Step 6: Final answer
    x = 16,017.52

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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.