Home / 52,958.89-79,437.30-21,368.31

Finding the Fourth Proportional to 52,958.89, 79,437.30 and 21,368.31

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Solution

The fourth proportional to 52,958.89, 79,437.30 and 21,368.31 is: 32,052.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,958.89 : 79,437.30 = 21,368.31 : x
  2. Step 2: Convert to fraction form
    52,958.89/79,437.30 = 21,368.31/x
  3. Step 3: Cross multiply
    52,958.89x = 79,437.30 × 21,368.31
  4. Step 4: Simplify right side
    52,958.89x = 1,697,440,851.96
  5. Step 5: Solve for x
    x = 1,697,440,851.96/52,958.89
  6. Step 6: Final answer
    x = 32,052.05

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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.