Home / 53,220.64-79,844.64-19,941.16

Finding the Fourth Proportional to 53,220.64, 79,844.64 and 19,941.16

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Solution

The fourth proportional to 53,220.64, 79,844.64 and 19,941.16 is: 29,916.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,220.64 : 79,844.64 = 19,941.16 : x
  2. Step 2: Convert to fraction form
    53,220.64/79,844.64 = 19,941.16/x
  3. Step 3: Cross multiply
    53,220.64x = 79,844.64 × 19,941.16
  4. Step 4: Simplify right side
    53,220.64x = 1,592,194,741.38
  5. Step 5: Solve for x
    x = 1,592,194,741.38/53,220.64
  6. Step 6: Final answer
    x = 29,916.87

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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.