Home / 30,181.43-45,272.70-10,460.63

Finding the Fourth Proportional to 30,181.43, 45,272.70 and 10,460.63

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Solution

The fourth proportional to 30,181.43, 45,272.70 and 10,460.63 is: 15,691.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,181.43 : 45,272.70 = 10,460.63 : x
  2. Step 2: Convert to fraction form
    30,181.43/45,272.70 = 10,460.63/x
  3. Step 3: Cross multiply
    30,181.43x = 45,272.70 × 10,460.63
  4. Step 4: Simplify right side
    30,181.43x = 473,580,737.44
  5. Step 5: Solve for x
    x = 473,580,737.44/30,181.43
  6. Step 6: Final answer
    x = 15,691.13

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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.