Home / 54,579.95-75,320.03-30,706.77

Finding the Fourth Proportional to 54,579.95, 75,320.03 and 30,706.77

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Solution

The fourth proportional to 54,579.95, 75,320.03 and 30,706.77 is: 42,375.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,579.95 : 75,320.03 = 30,706.77 : x
  2. Step 2: Convert to fraction form
    54,579.95/75,320.03 = 30,706.77/x
  3. Step 3: Cross multiply
    54,579.95x = 75,320.03 × 30,706.77
  4. Step 4: Simplify right side
    54,579.95x = 2,312,834,684.07
  5. Step 5: Solve for x
    x = 2,312,834,684.07/54,579.95
  6. Step 6: Final answer
    x = 42,375.17

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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.