Home / 62,988.39-94,495.91-20,866.09

Finding the Fourth Proportional to 62,988.39, 94,495.91 and 20,866.09

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Solution

The fourth proportional to 62,988.39, 94,495.91 and 20,866.09 is: 31,303.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,988.39 : 94,495.91 = 20,866.09 : x
  2. Step 2: Convert to fraction form
    62,988.39/94,495.91 = 20,866.09/x
  3. Step 3: Cross multiply
    62,988.39x = 94,495.91 × 20,866.09
  4. Step 4: Simplify right side
    62,988.39x = 1,971,759,978.62
  5. Step 5: Solve for x
    x = 1,971,759,978.62/62,988.39
  6. Step 6: Final answer
    x = 31,303.55

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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.