Home / 55,817.82-77,006.85-31,613.22

Finding the Fourth Proportional to 55,817.82, 77,006.85 and 31,613.22

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Solution

The fourth proportional to 55,817.82, 77,006.85 and 31,613.22 is: 43,613.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,817.82 : 77,006.85 = 31,613.22 : x
  2. Step 2: Convert to fraction form
    55,817.82/77,006.85 = 31,613.22/x
  3. Step 3: Cross multiply
    55,817.82x = 77,006.85 × 31,613.22
  4. Step 4: Simplify right side
    55,817.82x = 2,434,434,490.56
  5. Step 5: Solve for x
    x = 2,434,434,490.56/55,817.82
  6. Step 6: Final answer
    x = 43,613.93

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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.