Home / 56,677.84-85,028.08-31,753.28

Finding the Fourth Proportional to 56,677.84, 85,028.08 and 31,753.28

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Solution

The fourth proportional to 56,677.84, 85,028.08 and 31,753.28 is: 47,636.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,677.84 : 85,028.08 = 31,753.28 : x
  2. Step 2: Convert to fraction form
    56,677.84/85,028.08 = 31,753.28/x
  3. Step 3: Cross multiply
    56,677.84x = 85,028.08 × 31,753.28
  4. Step 4: Simplify right side
    56,677.84x = 2,699,920,432.10
  5. Step 5: Solve for x
    x = 2,699,920,432.10/56,677.84
  6. Step 6: Final answer
    x = 47,636.26

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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.