Home / 56,688.44-78,230.76-31,197.74

Finding the Fourth Proportional to 56,688.44, 78,230.76 and 31,197.74

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Solution

The fourth proportional to 56,688.44, 78,230.76 and 31,197.74 is: 43,053.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,688.44 : 78,230.76 = 31,197.74 : x
  2. Step 2: Convert to fraction form
    56,688.44/78,230.76 = 31,197.74/x
  3. Step 3: Cross multiply
    56,688.44x = 78,230.76 × 31,197.74
  4. Step 4: Simplify right side
    56,688.44x = 2,440,622,519.33
  5. Step 5: Solve for x
    x = 2,440,622,519.33/56,688.44
  6. Step 6: Final answer
    x = 43,053.27

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1.5x scale

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.