Home / 43,242.14-64,865.14-13,254.22

Finding the Fourth Proportional to 43,242.14, 64,865.14 and 13,254.22

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Solution

The fourth proportional to 43,242.14, 64,865.14 and 13,254.22 is: 19,881.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,242.14 : 64,865.14 = 13,254.22 : x
  2. Step 2: Convert to fraction form
    43,242.14/64,865.14 = 13,254.22/x
  3. Step 3: Cross multiply
    43,242.14x = 64,865.14 × 13,254.22
  4. Step 4: Simplify right side
    43,242.14x = 859,736,835.89
  5. Step 5: Solve for x
    x = 859,736,835.89/43,242.14
  6. Step 6: Final answer
    x = 19,881.92

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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.