Home / 56,783.74-78,360.51-31,292.46

Finding the Fourth Proportional to 56,783.74, 78,360.51 and 31,292.46

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Solution

The fourth proportional to 56,783.74, 78,360.51 and 31,292.46 is: 43,183.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,783.74 : 78,360.51 = 31,292.46 : x
  2. Step 2: Convert to fraction form
    56,783.74/78,360.51 = 31,292.46/x
  3. Step 3: Cross multiply
    56,783.74x = 78,360.51 × 31,292.46
  4. Step 4: Simplify right side
    56,783.74x = 2,452,093,124.75
  5. Step 5: Solve for x
    x = 2,452,093,124.75/56,783.74
  6. Step 6: Final answer
    x = 43,183.02

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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.