Home / 51,775.04-77,697.12-28,417.88

Finding the Fourth Proportional to 51,775.04, 77,697.12 and 28,417.88

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Solution

The fourth proportional to 51,775.04, 77,697.12 and 28,417.88 is: 42,645.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,775.04 : 77,697.12 = 28,417.88 : x
  2. Step 2: Convert to fraction form
    51,775.04/77,697.12 = 28,417.88/x
  3. Step 3: Cross multiply
    51,775.04x = 77,697.12 × 28,417.88
  4. Step 4: Simplify right side
    51,775.04x = 2,207,987,432.51
  5. Step 5: Solve for x
    x = 2,207,987,432.51/51,775.04
  6. Step 6: Final answer
    x = 42,645.79

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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.