Home / 73,386.37-110,044.85-28,428.78

Finding the Fourth Proportional to 73,386.37, 110,044.85 and 28,428.78

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Solution

The fourth proportional to 73,386.37, 110,044.85 and 28,428.78 is: 42,629.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,386.37 : 110,044.85 = 28,428.78 : x
  2. Step 2: Convert to fraction form
    73,386.37/110,044.85 = 28,428.78/x
  3. Step 3: Cross multiply
    73,386.37x = 110,044.85 × 28,428.78
  4. Step 4: Simplify right side
    73,386.37x = 3,128,440,830.78
  5. Step 5: Solve for x
    x = 3,128,440,830.78/73,386.37
  6. Step 6: Final answer
    x = 42,629.73

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1.5x scale

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.