Home / 39,946.98-55,126.40-22,042.74

Finding the Fourth Proportional to 39,946.98, 55,126.40 and 22,042.74

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Solution

The fourth proportional to 39,946.98, 55,126.40 and 22,042.74 is: 30,418.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,946.98 : 55,126.40 = 22,042.74 : x
  2. Step 2: Convert to fraction form
    39,946.98/55,126.40 = 22,042.74/x
  3. Step 3: Cross multiply
    39,946.98x = 55,126.40 × 22,042.74
  4. Step 4: Simplify right side
    39,946.98x = 1,215,136,902.34
  5. Step 5: Solve for x
    x = 1,215,136,902.34/39,946.98
  6. Step 6: Final answer
    x = 30,418.74

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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.