Home / 55,244.70-76,237.47-31,370.22

Finding the Fourth Proportional to 55,244.70, 76,237.47 and 31,370.22

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Solution

The fourth proportional to 55,244.70, 76,237.47 and 31,370.22 is: 43,290.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,244.70 : 76,237.47 = 31,370.22 : x
  2. Step 2: Convert to fraction form
    55,244.70/76,237.47 = 31,370.22/x
  3. Step 3: Cross multiply
    55,244.70x = 76,237.47 × 31,370.22
  4. Step 4: Simplify right side
    55,244.70x = 2,391,586,206.14
  5. Step 5: Solve for x
    x = 2,391,586,206.14/55,244.70
  6. Step 6: Final answer
    x = 43,290.78

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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.