Home / 55,833.69-77,053.45-31,639.35

Finding the Fourth Proportional to 55,833.69, 77,053.45 and 31,639.35

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Solution

The fourth proportional to 55,833.69, 77,053.45 and 31,639.35 is: 43,663.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,833.69 : 77,053.45 = 31,639.35 : x
  2. Step 2: Convert to fraction form
    55,833.69/77,053.45 = 31,639.35/x
  3. Step 3: Cross multiply
    55,833.69x = 77,053.45 × 31,639.35
  4. Step 4: Simplify right side
    55,833.69x = 2,437,920,880.62
  5. Step 5: Solve for x
    x = 2,437,920,880.62/55,833.69
  6. Step 6: Final answer
    x = 43,663.97

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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.