Home / 40,985.80-61,485.18-14,339.23

Finding the Fourth Proportional to 40,985.80, 61,485.18 and 14,339.23

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Solution

The fourth proportional to 40,985.80, 61,485.18 and 14,339.23 is: 21,511.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,985.80 : 61,485.18 = 14,339.23 : x
  2. Step 2: Convert to fraction form
    40,985.80/61,485.18 = 14,339.23/x
  3. Step 3: Cross multiply
    40,985.80x = 61,485.18 × 14,339.23
  4. Step 4: Simplify right side
    40,985.80x = 881,649,930.13
  5. Step 5: Solve for x
    x = 881,649,930.13/40,985.80
  6. Step 6: Final answer
    x = 21,511.11

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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.