Home / 52,971.77-79,438.18-21,373.39

Finding the Fourth Proportional to 52,971.77, 79,438.18 and 21,373.39

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Solution

The fourth proportional to 52,971.77, 79,438.18 and 21,373.39 is: 32,052.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,971.77 : 79,438.18 = 21,373.39 : x
  2. Step 2: Convert to fraction form
    52,971.77/79,438.18 = 21,373.39/x
  3. Step 3: Cross multiply
    52,971.77x = 79,438.18 × 21,373.39
  4. Step 4: Simplify right side
    52,971.77x = 1,697,863,202.03
  5. Step 5: Solve for x
    x = 1,697,863,202.03/52,971.77
  6. Step 6: Final answer
    x = 32,052.23

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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.