Home / 52,730.70-72,768.14-28,531.58

Finding the Fourth Proportional to 52,730.70, 72,768.14 and 28,531.58

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Solution

The fourth proportional to 52,730.70, 72,768.14 and 28,531.58 is: 39,373.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,730.70 : 72,768.14 = 28,531.58 : x
  2. Step 2: Convert to fraction form
    52,730.70/72,768.14 = 28,531.58/x
  3. Step 3: Cross multiply
    52,730.70x = 72,768.14 × 28,531.58
  4. Step 4: Simplify right side
    52,730.70x = 2,076,190,007.86
  5. Step 5: Solve for x
    x = 2,076,190,007.86/52,730.70
  6. Step 6: Final answer
    x = 39,373.46

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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.