Home / 40,339.40-60,511.08-10,757.50

Finding the Fourth Proportional to 40,339.40, 60,511.08 and 10,757.50

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Solution

The fourth proportional to 40,339.40, 60,511.08 and 10,757.50 is: 16,136.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,339.40 : 60,511.08 = 10,757.50 : x
  2. Step 2: Convert to fraction form
    40,339.40/60,511.08 = 10,757.50/x
  3. Step 3: Cross multiply
    40,339.40x = 60,511.08 × 10,757.50
  4. Step 4: Simplify right side
    40,339.40x = 650,947,943.10
  5. Step 5: Solve for x
    x = 650,947,943.10/40,339.40
  6. Step 6: Final answer
    x = 16,136.78

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1.5x scale

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.