Home / 52,870.60-72,954.66-30,211.03

Finding the Fourth Proportional to 52,870.60, 72,954.66 and 30,211.03

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Solution

The fourth proportional to 52,870.60, 72,954.66 and 30,211.03 is: 41,687.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,870.60 : 72,954.66 = 30,211.03 : x
  2. Step 2: Convert to fraction form
    52,870.60/72,954.66 = 30,211.03/x
  3. Step 3: Cross multiply
    52,870.60x = 72,954.66 × 30,211.03
  4. Step 4: Simplify right side
    52,870.60x = 2,204,035,421.90
  5. Step 5: Solve for x
    x = 2,204,035,421.90/52,870.60
  6. Step 6: Final answer
    x = 41,687.35

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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.