Home / 43,272.18-64,885.65-19,559.34

Finding the Fourth Proportional to 43,272.18, 64,885.65 and 19,559.34

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Solution

The fourth proportional to 43,272.18, 64,885.65 and 19,559.34 is: 29,328.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,272.18 : 64,885.65 = 19,559.34 : x
  2. Step 2: Convert to fraction form
    43,272.18/64,885.65 = 19,559.34/x
  3. Step 3: Cross multiply
    43,272.18x = 64,885.65 × 19,559.34
  4. Step 4: Simplify right side
    43,272.18x = 1,269,120,489.47
  5. Step 5: Solve for x
    x = 1,269,120,489.47/43,272.18
  6. Step 6: Final answer
    x = 29,328.79

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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.