Home / 51,627.84-77,373.72-20,446.08

Finding the Fourth Proportional to 51,627.84, 77,373.72 and 20,446.08

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Solution

The fourth proportional to 51,627.84, 77,373.72 and 20,446.08 is: 30,642.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,627.84 : 77,373.72 = 20,446.08 : x
  2. Step 2: Convert to fraction form
    51,627.84/77,373.72 = 20,446.08/x
  3. Step 3: Cross multiply
    51,627.84x = 77,373.72 × 20,446.08
  4. Step 4: Simplify right side
    51,627.84x = 1,581,989,269.02
  5. Step 5: Solve for x
    x = 1,581,989,269.02/51,627.84
  6. Step 6: Final answer
    x = 30,642.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.