Home / 52,851.06-72,933.91-28,977.68

Finding the Fourth Proportional to 52,851.06, 72,933.91 and 28,977.68

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Solution

The fourth proportional to 52,851.06, 72,933.91 and 28,977.68 is: 39,988.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,851.06 : 72,933.91 = 28,977.68 : x
  2. Step 2: Convert to fraction form
    52,851.06/72,933.91 = 28,977.68/x
  3. Step 3: Cross multiply
    52,851.06x = 72,933.91 × 28,977.68
  4. Step 4: Simplify right side
    52,851.06x = 2,113,454,995.57
  5. Step 5: Solve for x
    x = 2,113,454,995.57/52,851.06
  6. Step 6: Final answer
    x = 39,988.89

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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.