Home / 56,154.53-77,493.41-30,661.11

Finding the Fourth Proportional to 56,154.53, 77,493.41 and 30,661.11

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Solution

The fourth proportional to 56,154.53, 77,493.41 and 30,661.11 is: 42,312.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,154.53 : 77,493.41 = 30,661.11 : x
  2. Step 2: Convert to fraction form
    56,154.53/77,493.41 = 30,661.11/x
  3. Step 3: Cross multiply
    56,154.53x = 77,493.41 × 30,661.11
  4. Step 4: Simplify right side
    56,154.53x = 2,376,033,968.29
  5. Step 5: Solve for x
    x = 2,376,033,968.29/56,154.53
  6. Step 6: Final answer
    x = 42,312.42

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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.