Home / 51,790.76-71,473.37-29,130.80

Finding the Fourth Proportional to 51,790.76, 71,473.37 and 29,130.80

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Solution

The fourth proportional to 51,790.76, 71,473.37 and 29,130.80 is: 40,201.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,790.76 : 71,473.37 = 29,130.80 : x
  2. Step 2: Convert to fraction form
    51,790.76/71,473.37 = 29,130.80/x
  3. Step 3: Cross multiply
    51,790.76x = 71,473.37 × 29,130.80
  4. Step 4: Simplify right side
    51,790.76x = 2,082,076,446.80
  5. Step 5: Solve for x
    x = 2,082,076,446.80/51,790.76
  6. Step 6: Final answer
    x = 40,201.70

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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.