Home / 56,823.68-78,417.22-31,330.96

Finding the Fourth Proportional to 56,823.68, 78,417.22 and 31,330.96

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Solution

The fourth proportional to 56,823.68, 78,417.22 and 31,330.96 is: 43,237.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,823.68 : 78,417.22 = 31,330.96 : x
  2. Step 2: Convert to fraction form
    56,823.68/78,417.22 = 31,330.96/x
  3. Step 3: Cross multiply
    56,823.68x = 78,417.22 × 31,330.96
  4. Step 4: Simplify right side
    56,823.68x = 2,456,886,783.13
  5. Step 5: Solve for x
    x = 2,456,886,783.13/56,823.68
  6. Step 6: Final answer
    x = 43,237.02

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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.