Home / 43,236.42-64,857.33-13,655.40

Finding the Fourth Proportional to 43,236.42, 64,857.33 and 13,655.40

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Solution

The fourth proportional to 43,236.42, 64,857.33 and 13,655.40 is: 20,483.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,236.42 : 64,857.33 = 13,655.40 : x
  2. Step 2: Convert to fraction form
    43,236.42/64,857.33 = 13,655.40/x
  3. Step 3: Cross multiply
    43,236.42x = 64,857.33 × 13,655.40
  4. Step 4: Simplify right side
    43,236.42x = 885,652,784.08
  5. Step 5: Solve for x
    x = 885,652,784.08/43,236.42
  6. Step 6: Final answer
    x = 20,483.95

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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.