Home / 39,901.84-55,072.20-22,916.08

Finding the Fourth Proportional to 39,901.84, 55,072.20 and 22,916.08

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Solution

The fourth proportional to 39,901.84, 55,072.20 and 22,916.08 is: 31,628.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,901.84 : 55,072.20 = 22,916.08 : x
  2. Step 2: Convert to fraction form
    39,901.84/55,072.20 = 22,916.08/x
  3. Step 3: Cross multiply
    39,901.84x = 55,072.20 × 22,916.08
  4. Step 4: Simplify right side
    39,901.84x = 1,262,038,940.98
  5. Step 5: Solve for x
    x = 1,262,038,940.98/39,901.84
  6. Step 6: Final answer
    x = 31,628.59

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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.