Home / 42,699.74-64,051.94-17,742.30

Finding the Fourth Proportional to 42,699.74, 64,051.94 and 17,742.30

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Solution

The fourth proportional to 42,699.74, 64,051.94 and 17,742.30 is: 26,614.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,699.74 : 64,051.94 = 17,742.30 : x
  2. Step 2: Convert to fraction form
    42,699.74/64,051.94 = 17,742.30/x
  3. Step 3: Cross multiply
    42,699.74x = 64,051.94 × 17,742.30
  4. Step 4: Simplify right side
    42,699.74x = 1,136,428,646.35
  5. Step 5: Solve for x
    x = 1,136,428,646.35/42,699.74
  6. Step 6: Final answer
    x = 26,614.42

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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.