Home / 55,242.38-76,235.01-31,369.59

Finding the Fourth Proportional to 55,242.38, 76,235.01 and 31,369.59

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Solution

The fourth proportional to 55,242.38, 76,235.01 and 31,369.59 is: 43,290.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,242.38 : 76,235.01 = 31,369.59 : x
  2. Step 2: Convert to fraction form
    55,242.38/76,235.01 = 31,369.59/x
  3. Step 3: Cross multiply
    55,242.38x = 76,235.01 × 31,369.59
  4. Step 4: Simplify right side
    55,242.38x = 2,391,460,889.71
  5. Step 5: Solve for x
    x = 2,391,460,889.71/55,242.38
  6. Step 6: Final answer
    x = 43,290.33

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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.