Home / 55,313.09-76,310.34-34,055.45

Finding the Fourth Proportional to 55,313.09, 76,310.34 and 34,055.45

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Solution

The fourth proportional to 55,313.09, 76,310.34 and 34,055.45 is: 46,983.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,313.09 : 76,310.34 = 34,055.45 : x
  2. Step 2: Convert to fraction form
    55,313.09/76,310.34 = 34,055.45/x
  3. Step 3: Cross multiply
    55,313.09x = 76,310.34 × 34,055.45
  4. Step 4: Simplify right side
    55,313.09x = 2,598,782,798.08
  5. Step 5: Solve for x
    x = 2,598,782,798.08/55,313.09
  6. Step 6: Final answer
    x = 46,983.14

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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.