Home / 66,023.41-98,985.86-39,721.99

Finding the Fourth Proportional to 66,023.41, 98,985.86 and 39,721.99

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Solution

The fourth proportional to 66,023.41, 98,985.86 and 39,721.99 is: 59,553.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,023.41 : 98,985.86 = 39,721.99 : x
  2. Step 2: Convert to fraction form
    66,023.41/98,985.86 = 39,721.99/x
  3. Step 3: Cross multiply
    66,023.41x = 98,985.86 × 39,721.99
  4. Step 4: Simplify right side
    66,023.41x = 3,931,914,647.52
  5. Step 5: Solve for x
    x = 3,931,914,647.52/66,023.41
  6. Step 6: Final answer
    x = 59,553.35

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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.