Home / 56,238.30-77,578.14-36,072.72

Finding the Fourth Proportional to 56,238.30, 77,578.14 and 36,072.72

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Solution

The fourth proportional to 56,238.30, 77,578.14 and 36,072.72 is: 49,760.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,238.30 : 77,578.14 = 36,072.72 : x
  2. Step 2: Convert to fraction form
    56,238.30/77,578.14 = 36,072.72/x
  3. Step 3: Cross multiply
    56,238.30x = 77,578.14 × 36,072.72
  4. Step 4: Simplify right side
    56,238.30x = 2,798,454,522.34
  5. Step 5: Solve for x
    x = 2,798,454,522.34/56,238.30
  6. Step 6: Final answer
    x = 49,760.65

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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.