Home / 45,101.41-67,652.10-28,486.69

Finding the Fourth Proportional to 45,101.41, 67,652.10 and 28,486.69

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Solution

The fourth proportional to 45,101.41, 67,652.10 and 28,486.69 is: 42,730.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,101.41 : 67,652.10 = 28,486.69 : x
  2. Step 2: Convert to fraction form
    45,101.41/67,652.10 = 28,486.69/x
  3. Step 3: Cross multiply
    45,101.41x = 67,652.10 × 28,486.69
  4. Step 4: Simplify right side
    45,101.41x = 1,927,184,400.55
  5. Step 5: Solve for x
    x = 1,927,184,400.55/45,101.41
  6. Step 6: Final answer
    x = 42,730.03

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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.