Home / 56,141.48-84,187.58-21,056.54

Finding the Fourth Proportional to 56,141.48, 84,187.58 and 21,056.54

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Solution

The fourth proportional to 56,141.48, 84,187.58 and 21,056.54 is: 31,575.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,141.48 : 84,187.58 = 21,056.54 : x
  2. Step 2: Convert to fraction form
    56,141.48/84,187.58 = 21,056.54/x
  3. Step 3: Cross multiply
    56,141.48x = 84,187.58 × 21,056.54
  4. Step 4: Simplify right side
    56,141.48x = 1,772,699,040.49
  5. Step 5: Solve for x
    x = 1,772,699,040.49/56,141.48
  6. Step 6: Final answer
    x = 31,575.57

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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.