Home / 45,151.37-67,731.53-16,695.78

Finding the Fourth Proportional to 45,151.37, 67,731.53 and 16,695.78

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Solution

The fourth proportional to 45,151.37, 67,731.53 and 16,695.78 is: 25,045.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,151.37 : 67,731.53 = 16,695.78 : x
  2. Step 2: Convert to fraction form
    45,151.37/67,731.53 = 16,695.78/x
  3. Step 3: Cross multiply
    45,151.37x = 67,731.53 × 16,695.78
  4. Step 4: Simplify right side
    45,151.37x = 1,130,830,640.46
  5. Step 5: Solve for x
    x = 1,130,830,640.46/45,151.37
  6. Step 6: Final answer
    x = 25,045.33

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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.