Home / 56,688.94-78,231.46-31,198.24

Finding the Fourth Proportional to 56,688.94, 78,231.46 and 31,198.24

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Solution

The fourth proportional to 56,688.94, 78,231.46 and 31,198.24 is: 43,053.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,688.94 : 78,231.46 = 31,198.24 : x
  2. Step 2: Convert to fraction form
    56,688.94/78,231.46 = 31,198.24/x
  3. Step 3: Cross multiply
    56,688.94x = 78,231.46 × 31,198.24
  4. Step 4: Simplify right side
    56,688.94x = 2,440,683,864.63
  5. Step 5: Solve for x
    x = 2,440,683,864.63/56,688.94
  6. Step 6: Final answer
    x = 43,053.97

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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.