Home / 43,722.51-65,567.35-14,132.40

Finding the Fourth Proportional to 43,722.51, 65,567.35 and 14,132.40

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Solution

The fourth proportional to 43,722.51, 65,567.35 and 14,132.40 is: 21,193.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,722.51 : 65,567.35 = 14,132.40 : x
  2. Step 2: Convert to fraction form
    43,722.51/65,567.35 = 14,132.40/x
  3. Step 3: Cross multiply
    43,722.51x = 65,567.35 × 14,132.40
  4. Step 4: Simplify right side
    43,722.51x = 926,624,017.14
  5. Step 5: Solve for x
    x = 926,624,017.14/43,722.51
  6. Step 6: Final answer
    x = 21,193.29

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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.