Home / 39,983.63-59,975.44-12,281.63

Finding the Fourth Proportional to 39,983.63, 59,975.44 and 12,281.63

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Solution

The fourth proportional to 39,983.63, 59,975.44 and 12,281.63 is: 18,422.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,983.63 : 59,975.44 = 12,281.63 : x
  2. Step 2: Convert to fraction form
    39,983.63/59,975.44 = 12,281.63/x
  3. Step 3: Cross multiply
    39,983.63x = 59,975.44 × 12,281.63
  4. Step 4: Simplify right side
    39,983.63x = 736,595,832.59
  5. Step 5: Solve for x
    x = 736,595,832.59/39,983.63
  6. Step 6: Final answer
    x = 18,422.44

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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.