Home / 45,656.76-68,506.86-31,638.36

Finding the Fourth Proportional to 45,656.76, 68,506.86 and 31,638.36

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Solution

The fourth proportional to 45,656.76, 68,506.86 and 31,638.36 is: 47,472.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,656.76 : 68,506.86 = 31,638.36 : x
  2. Step 2: Convert to fraction form
    45,656.76/68,506.86 = 31,638.36/x
  3. Step 3: Cross multiply
    45,656.76x = 68,506.86 × 31,638.36
  4. Step 4: Simplify right side
    45,656.76x = 2,167,444,699.15
  5. Step 5: Solve for x
    x = 2,167,444,699.15/45,656.76
  6. Step 6: Final answer
    x = 47,472.59

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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.