Home / 39,913.55-55,077.88-22,008.17

Finding the Fourth Proportional to 39,913.55, 55,077.88 and 22,008.17

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Solution

The fourth proportional to 39,913.55, 55,077.88 and 22,008.17 is: 30,369.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,913.55 : 55,077.88 = 22,008.17 : x
  2. Step 2: Convert to fraction form
    39,913.55/55,077.88 = 22,008.17/x
  3. Step 3: Cross multiply
    39,913.55x = 55,077.88 × 22,008.17
  4. Step 4: Simplify right side
    39,913.55x = 1,212,163,346.28
  5. Step 5: Solve for x
    x = 1,212,163,346.28/39,913.55
  6. Step 6: Final answer
    x = 30,369.72

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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.