Home / 52,756.47-72,797.45-42,028.65

Finding the Fourth Proportional to 52,756.47, 72,797.45 and 42,028.65

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Solution

The fourth proportional to 52,756.47, 72,797.45 and 42,028.65 is: 57,994.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,756.47 : 72,797.45 = 42,028.65 : x
  2. Step 2: Convert to fraction form
    52,756.47/72,797.45 = 42,028.65/x
  3. Step 3: Cross multiply
    52,756.47x = 72,797.45 × 42,028.65
  4. Step 4: Simplify right side
    52,756.47x = 3,059,578,336.80
  5. Step 5: Solve for x
    x = 3,059,578,336.80/52,756.47
  6. Step 6: Final answer
    x = 57,994.37

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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.