Home / 62,751.08-94,130.70-20,619.89

Finding the Fourth Proportional to 62,751.08, 94,130.70 and 20,619.89

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Solution

The fourth proportional to 62,751.08, 94,130.70 and 20,619.89 is: 30,931.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,751.08 : 94,130.70 = 20,619.89 : x
  2. Step 2: Convert to fraction form
    62,751.08/94,130.70 = 20,619.89/x
  3. Step 3: Cross multiply
    62,751.08x = 94,130.70 × 20,619.89
  4. Step 4: Simplify right side
    62,751.08x = 1,940,964,208.97
  5. Step 5: Solve for x
    x = 1,940,964,208.97/62,751.08
  6. Step 6: Final answer
    x = 30,931.17

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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.