Home / 43,970.64-65,970.08-14,381.74

Finding the Fourth Proportional to 43,970.64, 65,970.08 and 14,381.74

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Solution

The fourth proportional to 43,970.64, 65,970.08 and 14,381.74 is: 21,577.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,970.64 : 65,970.08 = 14,381.74 : x
  2. Step 2: Convert to fraction form
    43,970.64/65,970.08 = 14,381.74/x
  3. Step 3: Cross multiply
    43,970.64x = 65,970.08 × 14,381.74
  4. Step 4: Simplify right side
    43,970.64x = 948,764,538.34
  5. Step 5: Solve for x
    x = 948,764,538.34/43,970.64
  6. Step 6: Final answer
    x = 21,577.23

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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.