Home / 55,949.04-77,209.20-30,798

Finding the Fourth Proportional to 55,949.04, 77,209.20 and 30,798

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Solution

The fourth proportional to 55,949.04, 77,209.20 and 30,798 is: 42,500.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,949.04 : 77,209.20 = 30,798 : x
  2. Step 2: Convert to fraction form
    55,949.04/77,209.20 = 30,798/x
  3. Step 3: Cross multiply
    55,949.04x = 77,209.20 × 30,798
  4. Step 4: Simplify right side
    55,949.04x = 2,377,888,941.60
  5. Step 5: Solve for x
    x = 2,377,888,941.60/55,949.04
  6. Step 6: Final answer
    x = 42,500.98

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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.