Home / 43,559.76-65,339.40-12,395.04

Finding the Fourth Proportional to 43,559.76, 65,339.40 and 12,395.04

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Solution

The fourth proportional to 43,559.76, 65,339.40 and 12,395.04 is: 18,592.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,559.76 : 65,339.40 = 12,395.04 : x
  2. Step 2: Convert to fraction form
    43,559.76/65,339.40 = 12,395.04/x
  3. Step 3: Cross multiply
    43,559.76x = 65,339.40 × 12,395.04
  4. Step 4: Simplify right side
    43,559.76x = 809,884,476.58
  5. Step 5: Solve for x
    x = 809,884,476.58/43,559.76
  6. Step 6: Final answer
    x = 18,592.49

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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.