Home / 56,146.42-77,482.11-30,995.92

Finding the Fourth Proportional to 56,146.42, 77,482.11 and 30,995.92

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Solution

The fourth proportional to 56,146.42, 77,482.11 and 30,995.92 is: 42,774.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,146.42 : 77,482.11 = 30,995.92 : x
  2. Step 2: Convert to fraction form
    56,146.42/77,482.11 = 30,995.92/x
  3. Step 3: Cross multiply
    56,146.42x = 77,482.11 × 30,995.92
  4. Step 4: Simplify right side
    56,146.42x = 2,401,629,282.99
  5. Step 5: Solve for x
    x = 2,401,629,282.99/56,146.42
  6. Step 6: Final answer
    x = 42,774.40

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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.