Home / 55,337.49-76,366.13-30,186.99

Finding the Fourth Proportional to 55,337.49, 76,366.13 and 30,186.99

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Solution

The fourth proportional to 55,337.49, 76,366.13 and 30,186.99 is: 41,658.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,337.49 : 76,366.13 = 30,186.99 : x
  2. Step 2: Convert to fraction form
    55,337.49/76,366.13 = 30,186.99/x
  3. Step 3: Cross multiply
    55,337.49x = 76,366.13 × 30,186.99
  4. Step 4: Simplify right side
    55,337.49x = 2,305,263,451.71
  5. Step 5: Solve for x
    x = 2,305,263,451.71/55,337.49
  6. Step 6: Final answer
    x = 41,658.26

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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.