Home / 43,266.72-64,899.69-13,684.58

Finding the Fourth Proportional to 43,266.72, 64,899.69 and 13,684.58

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Solution

The fourth proportional to 43,266.72, 64,899.69 and 13,684.58 is: 20,526.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,266.72 : 64,899.69 = 13,684.58 : x
  2. Step 2: Convert to fraction form
    43,266.72/64,899.69 = 13,684.58/x
  3. Step 3: Cross multiply
    43,266.72x = 64,899.69 × 13,684.58
  4. Step 4: Simplify right side
    43,266.72x = 888,124,675.28
  5. Step 5: Solve for x
    x = 888,124,675.28/43,266.72
  6. Step 6: Final answer
    x = 20,526.74

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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.