Home / 56,134.24-84,156.96-21,070

Finding the Fourth Proportional to 56,134.24, 84,156.96 and 21,070

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Solution

The fourth proportional to 56,134.24, 84,156.96 and 21,070 is: 31,588.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,134.24 : 84,156.96 = 21,070 : x
  2. Step 2: Convert to fraction form
    56,134.24/84,156.96 = 21,070/x
  3. Step 3: Cross multiply
    56,134.24x = 84,156.96 × 21,070
  4. Step 4: Simplify right side
    56,134.24x = 1,773,187,147.20
  5. Step 5: Solve for x
    x = 1,773,187,147.20/56,134.24
  6. Step 6: Final answer
    x = 31,588.33

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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.