Home / 30,178.13-45,269.69-9,401.63

Finding the Fourth Proportional to 30,178.13, 45,269.69 and 9,401.63

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Solution

The fourth proportional to 30,178.13, 45,269.69 and 9,401.63 is: 14,103.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,178.13 : 45,269.69 = 9,401.63 : x
  2. Step 2: Convert to fraction form
    30,178.13/45,269.69 = 9,401.63/x
  3. Step 3: Cross multiply
    30,178.13x = 45,269.69 × 9,401.63
  4. Step 4: Simplify right side
    30,178.13x = 425,608,602.24
  5. Step 5: Solve for x
    x = 425,608,602.24/30,178.13
  6. Step 6: Final answer
    x = 14,103.22

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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.