Home / 43,621.07-65,432.00-28,049.63

Finding the Fourth Proportional to 43,621.07, 65,432.00 and 28,049.63

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Solution

The fourth proportional to 43,621.07, 65,432.00 and 28,049.63 is: 42,074.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,621.07 : 65,432.00 = 28,049.63 : x
  2. Step 2: Convert to fraction form
    43,621.07/65,432.00 = 28,049.63/x
  3. Step 3: Cross multiply
    43,621.07x = 65,432.00 × 28,049.63
  4. Step 4: Simplify right side
    43,621.07x = 1,835,343,133.12
  5. Step 5: Solve for x
    x = 1,835,343,133.12/43,621.07
  6. Step 6: Final answer
    x = 42,074.70

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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.