Home / 30,149.28-45,222.98-7,962.77

Finding the Fourth Proportional to 30,149.28, 45,222.98 and 7,962.77

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Solution

The fourth proportional to 30,149.28, 45,222.98 and 7,962.77 is: 11,943.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,149.28 : 45,222.98 = 7,962.77 : x
  2. Step 2: Convert to fraction form
    30,149.28/45,222.98 = 7,962.77/x
  3. Step 3: Cross multiply
    30,149.28x = 45,222.98 × 7,962.77
  4. Step 4: Simplify right side
    30,149.28x = 360,100,261.70
  5. Step 5: Solve for x
    x = 360,100,261.70/30,149.28
  6. Step 6: Final answer
    x = 11,943.91

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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.