Home / 52,303.62-72,180.40-28,431.90

Finding the Fourth Proportional to 52,303.62, 72,180.40 and 28,431.90

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Solution

The fourth proportional to 52,303.62, 72,180.40 and 28,431.90 is: 39,236.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,303.62 : 72,180.40 = 28,431.90 : x
  2. Step 2: Convert to fraction form
    52,303.62/72,180.40 = 28,431.90/x
  3. Step 3: Cross multiply
    52,303.62x = 72,180.40 × 28,431.90
  4. Step 4: Simplify right side
    52,303.62x = 2,052,225,914.76
  5. Step 5: Solve for x
    x = 2,052,225,914.76/52,303.62
  6. Step 6: Final answer
    x = 39,236.79

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1.5x scale

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.