Home / 52,785.90-72,840.60-30,124.26

Finding the Fourth Proportional to 52,785.90, 72,840.60 and 30,124.26

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Solution

The fourth proportional to 52,785.90, 72,840.60 and 30,124.26 is: 41,569.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,785.90 : 72,840.60 = 30,124.26 : x
  2. Step 2: Convert to fraction form
    52,785.90/72,840.60 = 30,124.26/x
  3. Step 3: Cross multiply
    52,785.90x = 72,840.60 × 30,124.26
  4. Step 4: Simplify right side
    52,785.90x = 2,194,269,172.96
  5. Step 5: Solve for x
    x = 2,194,269,172.96/52,785.90
  6. Step 6: Final answer
    x = 41,569.23

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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.