Home / 56,824.24-78,417.86-31,331.56

Finding the Fourth Proportional to 56,824.24, 78,417.86 and 31,331.56

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Solution

The fourth proportional to 56,824.24, 78,417.86 and 31,331.56 is: 43,237.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,824.24 : 78,417.86 = 31,331.56 : x
  2. Step 2: Convert to fraction form
    56,824.24/78,417.86 = 31,331.56/x
  3. Step 3: Cross multiply
    56,824.24x = 78,417.86 × 31,331.56
  4. Step 4: Simplify right side
    56,824.24x = 2,456,953,885.66
  5. Step 5: Solve for x
    x = 2,456,953,885.66/56,824.24
  6. Step 6: Final answer
    x = 43,237.78

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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.