Home / 42,463.81-63,697.14-19,090.33

Finding the Fourth Proportional to 42,463.81, 63,697.14 and 19,090.33

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Solution

The fourth proportional to 42,463.81, 63,697.14 and 19,090.33 is: 28,636.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,463.81 : 63,697.14 = 19,090.33 : x
  2. Step 2: Convert to fraction form
    42,463.81/63,697.14 = 19,090.33/x
  3. Step 3: Cross multiply
    42,463.81x = 63,697.14 × 19,090.33
  4. Step 4: Simplify right side
    42,463.81x = 1,215,999,422.66
  5. Step 5: Solve for x
    x = 1,215,999,422.66/42,463.81
  6. Step 6: Final answer
    x = 28,636.14

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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.