Home / 56,822.72-85,233.94-19,364.81

Finding the Fourth Proportional to 56,822.72, 85,233.94 and 19,364.81

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Solution

The fourth proportional to 56,822.72, 85,233.94 and 19,364.81 is: 29,047.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,822.72 : 85,233.94 = 19,364.81 : x
  2. Step 2: Convert to fraction form
    56,822.72/85,233.94 = 19,364.81/x
  3. Step 3: Cross multiply
    56,822.72x = 85,233.94 × 19,364.81
  4. Step 4: Simplify right side
    56,822.72x = 1,650,538,579.07
  5. Step 5: Solve for x
    x = 1,650,538,579.07/56,822.72
  6. Step 6: Final answer
    x = 29,047.16

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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.