Home / 55,743.51-76,904.15-31,857.38

Finding the Fourth Proportional to 55,743.51, 76,904.15 and 31,857.38

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Solution

The fourth proportional to 55,743.51, 76,904.15 and 31,857.38 is: 43,950.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,743.51 : 76,904.15 = 31,857.38 : x
  2. Step 2: Convert to fraction form
    55,743.51/76,904.15 = 31,857.38/x
  3. Step 3: Cross multiply
    55,743.51x = 76,904.15 × 31,857.38
  4. Step 4: Simplify right side
    55,743.51x = 2,449,964,730.13
  5. Step 5: Solve for x
    x = 2,449,964,730.13/55,743.51
  6. Step 6: Final answer
    x = 43,950.67

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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.