Home / 30,182.15-45,273.80-10,461.35

Finding the Fourth Proportional to 30,182.15, 45,273.80 and 10,461.35

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Solution

The fourth proportional to 30,182.15, 45,273.80 and 10,461.35 is: 15,692.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,182.15 : 45,273.80 = 10,461.35 : x
  2. Step 2: Convert to fraction form
    30,182.15/45,273.80 = 10,461.35/x
  3. Step 3: Cross multiply
    30,182.15x = 45,273.80 × 10,461.35
  4. Step 4: Simplify right side
    30,182.15x = 473,625,206.97
  5. Step 5: Solve for x
    x = 473,625,206.97/30,182.15
  6. Step 6: Final answer
    x = 15,692.23

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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.