Home / 39,973.60-55,163.78-22,068.28

Finding the Fourth Proportional to 39,973.60, 55,163.78 and 22,068.28

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Solution

The fourth proportional to 39,973.60, 55,163.78 and 22,068.28 is: 30,454.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,973.60 : 55,163.78 = 22,068.28 : x
  2. Step 2: Convert to fraction form
    39,973.60/55,163.78 = 22,068.28/x
  3. Step 3: Cross multiply
    39,973.60x = 55,163.78 × 22,068.28
  4. Step 4: Simplify right side
    39,973.60x = 1,217,369,742.90
  5. Step 5: Solve for x
    x = 1,217,369,742.90/39,973.60
  6. Step 6: Final answer
    x = 30,454.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.