Home / 39,807.63-59,694.41-13,500.45

Finding the Fourth Proportional to 39,807.63, 59,694.41 and 13,500.45

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Solution

The fourth proportional to 39,807.63, 59,694.41 and 13,500.45 is: 20,244.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,807.63 : 59,694.41 = 13,500.45 : x
  2. Step 2: Convert to fraction form
    39,807.63/59,694.41 = 13,500.45/x
  3. Step 3: Cross multiply
    39,807.63x = 59,694.41 × 13,500.45
  4. Step 4: Simplify right side
    39,807.63x = 805,901,431.24
  5. Step 5: Solve for x
    x = 805,901,431.24/39,807.63
  6. Step 6: Final answer
    x = 20,244.90

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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.