Home / 51,918.32-71,647.33-28,045.02

Finding the Fourth Proportional to 51,918.32, 71,647.33 and 28,045.02

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Solution

The fourth proportional to 51,918.32, 71,647.33 and 28,045.02 is: 38,702.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,918.32 : 71,647.33 = 28,045.02 : x
  2. Step 2: Convert to fraction form
    51,918.32/71,647.33 = 28,045.02/x
  3. Step 3: Cross multiply
    51,918.32x = 71,647.33 × 28,045.02
  4. Step 4: Simplify right side
    51,918.32x = 2,009,350,802.80
  5. Step 5: Solve for x
    x = 2,009,350,802.80/51,918.32
  6. Step 6: Final answer
    x = 38,702.15

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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.