Home / 51,549.77-71,143.26-30,038.34

Finding the Fourth Proportional to 51,549.77, 71,143.26 and 30,038.34

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Solution

The fourth proportional to 51,549.77, 71,143.26 and 30,038.34 is: 41,455.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,549.77 : 71,143.26 = 30,038.34 : x
  2. Step 2: Convert to fraction form
    51,549.77/71,143.26 = 30,038.34/x
  3. Step 3: Cross multiply
    51,549.77x = 71,143.26 × 30,038.34
  4. Step 4: Simplify right side
    51,549.77x = 2,137,025,755.70
  5. Step 5: Solve for x
    x = 2,137,025,755.70/51,549.77
  6. Step 6: Final answer
    x = 41,455.59

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1.5x scale

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.