Home / 55,618.36-76,767.07-31,758.87

Finding the Fourth Proportional to 55,618.36, 76,767.07 and 31,758.87

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Solution

The fourth proportional to 55,618.36, 76,767.07 and 31,758.87 is: 43,835.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,618.36 : 76,767.07 = 31,758.87 : x
  2. Step 2: Convert to fraction form
    55,618.36/76,767.07 = 31,758.87/x
  3. Step 3: Cross multiply
    55,618.36x = 76,767.07 × 31,758.87
  4. Step 4: Simplify right side
    55,618.36x = 2,438,035,396.41
  5. Step 5: Solve for x
    x = 2,438,035,396.41/55,618.36
  6. Step 6: Final answer
    x = 43,835.08

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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.