Home / 56,553.72-78,044.84-31,056.36

Finding the Fourth Proportional to 56,553.72, 78,044.84 and 31,056.36

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Solution

The fourth proportional to 56,553.72, 78,044.84 and 31,056.36 is: 42,858.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,553.72 : 78,044.84 = 31,056.36 : x
  2. Step 2: Convert to fraction form
    56,553.72/78,044.84 = 31,056.36/x
  3. Step 3: Cross multiply
    56,553.72x = 78,044.84 × 31,056.36
  4. Step 4: Simplify right side
    56,553.72x = 2,423,788,647.18
  5. Step 5: Solve for x
    x = 2,423,788,647.18/56,553.72
  6. Step 6: Final answer
    x = 42,858.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.