Home / 43,491.50-65,126.48-28,655.45

Finding the Fourth Proportional to 43,491.50, 65,126.48 and 28,655.45

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Solution

The fourth proportional to 43,491.50, 65,126.48 and 28,655.45 is: 42,910.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,491.50 : 65,126.48 = 28,655.45 : x
  2. Step 2: Convert to fraction form
    43,491.50/65,126.48 = 28,655.45/x
  3. Step 3: Cross multiply
    43,491.50x = 65,126.48 × 28,655.45
  4. Step 4: Simplify right side
    43,491.50x = 1,866,228,527.82
  5. Step 5: Solve for x
    x = 1,866,228,527.82/43,491.50
  6. Step 6: Final answer
    x = 42,910.19

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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.