Home / 43,437.92-65,122.10-28,537.76

Finding the Fourth Proportional to 43,437.92, 65,122.10 and 28,537.76

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Solution

The fourth proportional to 43,437.92, 65,122.10 and 28,537.76 is: 42,783.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,437.92 : 65,122.10 = 28,537.76 : x
  2. Step 2: Convert to fraction form
    43,437.92/65,122.10 = 28,537.76/x
  3. Step 3: Cross multiply
    43,437.92x = 65,122.10 × 28,537.76
  4. Step 4: Simplify right side
    43,437.92x = 1,858,438,860.50
  5. Step 5: Solve for x
    x = 1,858,438,860.50/43,437.92
  6. Step 6: Final answer
    x = 42,783.79

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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.