Home / 55,186.92-76,156.02-31,313.16

Finding the Fourth Proportional to 55,186.92, 76,156.02 and 31,313.16

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Solution

The fourth proportional to 55,186.92, 76,156.02 and 31,313.16 is: 43,211.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,186.92 : 76,156.02 = 31,313.16 : x
  2. Step 2: Convert to fraction form
    55,186.92/76,156.02 = 31,313.16/x
  3. Step 3: Cross multiply
    55,186.92x = 76,156.02 × 31,313.16
  4. Step 4: Simplify right side
    55,186.92x = 2,384,685,639.22
  5. Step 5: Solve for x
    x = 2,384,685,639.22/55,186.92
  6. Step 6: Final answer
    x = 43,211.07

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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.