Home / 51,699.41-77,549.51-28,313.09

Finding the Fourth Proportional to 51,699.41, 77,549.51 and 28,313.09

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Solution

The fourth proportional to 51,699.41, 77,549.51 and 28,313.09 is: 42,469.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,699.41 : 77,549.51 = 28,313.09 : x
  2. Step 2: Convert to fraction form
    51,699.41/77,549.51 = 28,313.09/x
  3. Step 3: Cross multiply
    51,699.41x = 77,549.51 × 28,313.09
  4. Step 4: Simplify right side
    51,699.41x = 2,195,666,256.09
  5. Step 5: Solve for x
    x = 2,195,666,256.09/51,699.41
  6. Step 6: Final answer
    x = 42,469.85

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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.