Home / 54,702.06-82,053.18-31,312.32

Finding the Fourth Proportional to 54,702.06, 82,053.18 and 31,312.32

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Solution

The fourth proportional to 54,702.06, 82,053.18 and 31,312.32 is: 46,968.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,702.06 : 82,053.18 = 31,312.32 : x
  2. Step 2: Convert to fraction form
    54,702.06/82,053.18 = 31,312.32/x
  3. Step 3: Cross multiply
    54,702.06x = 82,053.18 × 31,312.32
  4. Step 4: Simplify right side
    54,702.06x = 2,569,275,429.18
  5. Step 5: Solve for x
    x = 2,569,275,429.18/54,702.06
  6. Step 6: Final answer
    x = 46,968.53

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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.