Home / 55,646.51-76,818.80-31,768.58

Finding the Fourth Proportional to 55,646.51, 76,818.80 and 31,768.58

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Solution

The fourth proportional to 55,646.51, 76,818.80 and 31,768.58 is: 43,855.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,646.51 : 76,818.80 = 31,768.58 : x
  2. Step 2: Convert to fraction form
    55,646.51/76,818.80 = 31,768.58/x
  3. Step 3: Cross multiply
    55,646.51x = 76,818.80 × 31,768.58
  4. Step 4: Simplify right side
    55,646.51x = 2,440,424,226.51
  5. Step 5: Solve for x
    x = 2,440,424,226.51/55,646.51
  6. Step 6: Final answer
    x = 43,855.83

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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.