Home / 56,406.96-84,610.64-14,287.02

Finding the Fourth Proportional to 56,406.96, 84,610.64 and 14,287.02

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Solution

The fourth proportional to 56,406.96, 84,610.64 and 14,287.02 is: 21,430.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,406.96 : 84,610.64 = 14,287.02 : x
  2. Step 2: Convert to fraction form
    56,406.96/84,610.64 = 14,287.02/x
  3. Step 3: Cross multiply
    56,406.96x = 84,610.64 × 14,287.02
  4. Step 4: Simplify right side
    56,406.96x = 1,208,833,905.89
  5. Step 5: Solve for x
    x = 1,208,833,905.89/56,406.96
  6. Step 6: Final answer
    x = 21,430.58

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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.