Home / 43,836.63-65,758.59-18,877.29

Finding the Fourth Proportional to 43,836.63, 65,758.59 and 18,877.29

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Solution

The fourth proportional to 43,836.63, 65,758.59 and 18,877.29 is: 28,317.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,836.63 : 65,758.59 = 18,877.29 : x
  2. Step 2: Convert to fraction form
    43,836.63/65,758.59 = 18,877.29/x
  3. Step 3: Cross multiply
    43,836.63x = 65,758.59 × 18,877.29
  4. Step 4: Simplify right side
    43,836.63x = 1,241,343,973.42
  5. Step 5: Solve for x
    x = 1,241,343,973.42/43,836.63
  6. Step 6: Final answer
    x = 28,317.50

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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.