Home / 43,990.43-65,985.71-10,710.50

Finding the Fourth Proportional to 43,990.43, 65,985.71 and 10,710.50

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Solution

The fourth proportional to 43,990.43, 65,985.71 and 10,710.50 is: 16,065.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,990.43 : 65,985.71 = 10,710.50 : x
  2. Step 2: Convert to fraction form
    43,990.43/65,985.71 = 10,710.50/x
  3. Step 3: Cross multiply
    43,990.43x = 65,985.71 × 10,710.50
  4. Step 4: Simplify right side
    43,990.43x = 706,739,946.96
  5. Step 5: Solve for x
    x = 706,739,946.96/43,990.43
  6. Step 6: Final answer
    x = 16,065.77

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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.