Home / 55,685.70-76,846.23-30,192.91

Finding the Fourth Proportional to 55,685.70, 76,846.23 and 30,192.91

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Solution

The fourth proportional to 55,685.70, 76,846.23 and 30,192.91 is: 41,666.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,685.70 : 76,846.23 = 30,192.91 : x
  2. Step 2: Convert to fraction form
    55,685.70/76,846.23 = 30,192.91/x
  3. Step 3: Cross multiply
    55,685.70x = 76,846.23 × 30,192.91
  4. Step 4: Simplify right side
    55,685.70x = 2,320,211,385.12
  5. Step 5: Solve for x
    x = 2,320,211,385.12/55,685.70
  6. Step 6: Final answer
    x = 41,666.20

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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.