Home / 55,055.49-82,595.54-17,617.81

Finding the Fourth Proportional to 55,055.49, 82,595.54 and 17,617.81

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Solution

The fourth proportional to 55,055.49, 82,595.54 and 17,617.81 is: 26,430.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,055.49 : 82,595.54 = 17,617.81 : x
  2. Step 2: Convert to fraction form
    55,055.49/82,595.54 = 17,617.81/x
  3. Step 3: Cross multiply
    55,055.49x = 82,595.54 × 17,617.81
  4. Step 4: Simplify right side
    55,055.49x = 1,455,152,342.67
  5. Step 5: Solve for x
    x = 1,455,152,342.67/55,055.49
  6. Step 6: Final answer
    x = 26,430.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.