Home / 43,619.47-65,429.22-14,037.30

Finding the Fourth Proportional to 43,619.47, 65,429.22 and 14,037.30

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Solution

The fourth proportional to 43,619.47, 65,429.22 and 14,037.30 is: 21,055.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,619.47 : 65,429.22 = 14,037.30 : x
  2. Step 2: Convert to fraction form
    43,619.47/65,429.22 = 14,037.30/x
  3. Step 3: Cross multiply
    43,619.47x = 65,429.22 × 14,037.30
  4. Step 4: Simplify right side
    43,619.47x = 918,449,642.55
  5. Step 5: Solve for x
    x = 918,449,642.55/43,619.47
  6. Step 6: Final answer
    x = 21,055.96

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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.