Home / 39,925.50-55,097.45-22,020.99

Finding the Fourth Proportional to 39,925.50, 55,097.45 and 22,020.99

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Solution

The fourth proportional to 39,925.50, 55,097.45 and 22,020.99 is: 30,389.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,925.50 : 55,097.45 = 22,020.99 : x
  2. Step 2: Convert to fraction form
    39,925.50/55,097.45 = 22,020.99/x
  3. Step 3: Cross multiply
    39,925.50x = 55,097.45 × 22,020.99
  4. Step 4: Simplify right side
    39,925.50x = 1,213,300,395.48
  5. Step 5: Solve for x
    x = 1,213,300,395.48/39,925.50
  6. Step 6: Final answer
    x = 30,389.11

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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.