Home / 30,024.15-45,011.92-12,507.09

Finding the Fourth Proportional to 30,024.15, 45,011.92 and 12,507.09

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Solution

The fourth proportional to 30,024.15, 45,011.92 and 12,507.09 is: 18,750.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,024.15 : 45,011.92 = 12,507.09 : x
  2. Step 2: Convert to fraction form
    30,024.15/45,011.92 = 12,507.09/x
  3. Step 3: Cross multiply
    30,024.15x = 45,011.92 × 12,507.09
  4. Step 4: Simplify right side
    30,024.15x = 562,968,103.25
  5. Step 5: Solve for x
    x = 562,968,103.25/30,024.15
  6. Step 6: Final answer
    x = 18,750.51

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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.