Home / 52,750.12-72,800.10-31,528.92

Finding the Fourth Proportional to 52,750.12, 72,800.10 and 31,528.92

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Solution

The fourth proportional to 52,750.12, 72,800.10 and 31,528.92 is: 43,512.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,750.12 : 72,800.10 = 31,528.92 : x
  2. Step 2: Convert to fraction form
    52,750.12/72,800.10 = 31,528.92/x
  3. Step 3: Cross multiply
    52,750.12x = 72,800.10 × 31,528.92
  4. Step 4: Simplify right side
    52,750.12x = 2,295,308,528.89
  5. Step 5: Solve for x
    x = 2,295,308,528.89/52,750.12
  6. Step 6: Final answer
    x = 43,512.86

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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.