Home / 30,052.76-45,065.46-12,512.12

Finding the Fourth Proportional to 30,052.76, 45,065.46 and 12,512.12

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Solution

The fourth proportional to 30,052.76, 45,065.46 and 12,512.12 is: 18,762.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,052.76 : 45,065.46 = 12,512.12 : x
  2. Step 2: Convert to fraction form
    30,052.76/45,065.46 = 12,512.12/x
  3. Step 3: Cross multiply
    30,052.76x = 45,065.46 × 12,512.12
  4. Step 4: Simplify right side
    30,052.76x = 563,864,443.38
  5. Step 5: Solve for x
    x = 563,864,443.38/30,052.76
  6. Step 6: Final answer
    x = 18,762.48

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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.