Home / 30,534.38-45,746.88-10,800.34

Finding the Fourth Proportional to 30,534.38, 45,746.88 and 10,800.34

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Solution

The fourth proportional to 30,534.38, 45,746.88 and 10,800.34 is: 16,181.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,534.38 : 45,746.88 = 10,800.34 : x
  2. Step 2: Convert to fraction form
    30,534.38/45,746.88 = 10,800.34/x
  3. Step 3: Cross multiply
    30,534.38x = 45,746.88 × 10,800.34
  4. Step 4: Simplify right side
    30,534.38x = 494,081,857.94
  5. Step 5: Solve for x
    x = 494,081,857.94/30,534.38
  6. Step 6: Final answer
    x = 16,181.17

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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.