Home / 53,848.40-80,772.60-34,149.20

Finding the Fourth Proportional to 53,848.40, 80,772.60 and 34,149.20

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Solution

The fourth proportional to 53,848.40, 80,772.60 and 34,149.20 is: 51,223.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,848.40 : 80,772.60 = 34,149.20 : x
  2. Step 2: Convert to fraction form
    53,848.40/80,772.60 = 34,149.20/x
  3. Step 3: Cross multiply
    53,848.40x = 80,772.60 × 34,149.20
  4. Step 4: Simplify right side
    53,848.40x = 2,758,319,671.92
  5. Step 5: Solve for x
    x = 2,758,319,671.92/53,848.40
  6. Step 6: Final answer
    x = 51,223.80

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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.