Home / 30,095.72-45,149.08-10,103.20

Finding the Fourth Proportional to 30,095.72, 45,149.08 and 10,103.20

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Solution

The fourth proportional to 30,095.72, 45,149.08 and 10,103.20 is: 15,156.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,095.72 : 45,149.08 = 10,103.20 : x
  2. Step 2: Convert to fraction form
    30,095.72/45,149.08 = 10,103.20/x
  3. Step 3: Cross multiply
    30,095.72x = 45,149.08 × 10,103.20
  4. Step 4: Simplify right side
    30,095.72x = 456,150,185.06
  5. Step 5: Solve for x
    x = 456,150,185.06/30,095.72
  6. Step 6: Final answer
    x = 15,156.65

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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.