Home / 45,890.10-68,820.54-31,193.46

Finding the Fourth Proportional to 45,890.10, 68,820.54 and 31,193.46

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Solution

The fourth proportional to 45,890.10, 68,820.54 and 31,193.46 is: 46,780.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,890.10 : 68,820.54 = 31,193.46 : x
  2. Step 2: Convert to fraction form
    45,890.10/68,820.54 = 31,193.46/x
  3. Step 3: Cross multiply
    45,890.10x = 68,820.54 × 31,193.46
  4. Step 4: Simplify right side
    45,890.10x = 2,146,750,761.67
  5. Step 5: Solve for x
    x = 2,146,750,761.67/45,890.10
  6. Step 6: Final answer
    x = 46,780.26

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1.5x scale

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.