Home / 56,871.24-78,486.76-31,382.66

Finding the Fourth Proportional to 56,871.24, 78,486.76 and 31,382.66

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Solution

The fourth proportional to 56,871.24, 78,486.76 and 31,382.66 is: 43,310.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,871.24 : 78,486.76 = 31,382.66 : x
  2. Step 2: Convert to fraction form
    56,871.24/78,486.76 = 31,382.66/x
  3. Step 3: Cross multiply
    56,871.24x = 78,486.76 × 31,382.66
  4. Step 4: Simplify right side
    56,871.24x = 2,463,123,303.58
  5. Step 5: Solve for x
    x = 2,463,123,303.58/56,871.24
  6. Step 6: Final answer
    x = 43,310.53

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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.