Home / 39,916.56-55,085.16-22,012.20

Finding the Fourth Proportional to 39,916.56, 55,085.16 and 22,012.20

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Solution

The fourth proportional to 39,916.56, 55,085.16 and 22,012.20 is: 30,377.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,916.56 : 55,085.16 = 22,012.20 : x
  2. Step 2: Convert to fraction form
    39,916.56/55,085.16 = 22,012.20/x
  3. Step 3: Cross multiply
    39,916.56x = 55,085.16 × 22,012.20
  4. Step 4: Simplify right side
    39,916.56x = 1,212,545,558.95
  5. Step 5: Solve for x
    x = 1,212,545,558.95/39,916.56
  6. Step 6: Final answer
    x = 30,377.01

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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.