Home / 39,946.39-55,126.18-22,041.92

Finding the Fourth Proportional to 39,946.39, 55,126.18 and 22,041.92

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Solution

The fourth proportional to 39,946.39, 55,126.18 and 22,041.92 is: 30,417.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,946.39 : 55,126.18 = 22,041.92 : x
  2. Step 2: Convert to fraction form
    39,946.39/55,126.18 = 22,041.92/x
  3. Step 3: Cross multiply
    39,946.39x = 55,126.18 × 22,041.92
  4. Step 4: Simplify right side
    39,946.39x = 1,215,087,045.83
  5. Step 5: Solve for x
    x = 1,215,087,045.83/39,946.39
  6. Step 6: Final answer
    x = 30,417.94

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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.