Home / 43,159.14-64,768.05-15,457.14

Finding the Fourth Proportional to 43,159.14, 64,768.05 and 15,457.14

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Solution

The fourth proportional to 43,159.14, 64,768.05 and 15,457.14 is: 23,196.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,159.14 : 64,768.05 = 15,457.14 : x
  2. Step 2: Convert to fraction form
    43,159.14/64,768.05 = 15,457.14/x
  3. Step 3: Cross multiply
    43,159.14x = 64,768.05 × 15,457.14
  4. Step 4: Simplify right side
    43,159.14x = 1,001,128,816.38
  5. Step 5: Solve for x
    x = 1,001,128,816.38/43,159.14
  6. Step 6: Final answer
    x = 23,196.22

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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.