Home / 56,145.45-77,460.78-36,013.17

Finding the Fourth Proportional to 56,145.45, 77,460.78 and 36,013.17

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Solution

The fourth proportional to 56,145.45, 77,460.78 and 36,013.17 is: 49,685.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,145.45 : 77,460.78 = 36,013.17 : x
  2. Step 2: Convert to fraction form
    56,145.45/77,460.78 = 36,013.17/x
  3. Step 3: Cross multiply
    56,145.45x = 77,460.78 × 36,013.17
  4. Step 4: Simplify right side
    56,145.45x = 2,789,608,238.47
  5. Step 5: Solve for x
    x = 2,789,608,238.47/56,145.45
  6. Step 6: Final answer
    x = 49,685.38

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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.