Home / 39,172.23-54,051.98-22,401.99

Finding the Fourth Proportional to 39,172.23, 54,051.98 and 22,401.99

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Solution

The fourth proportional to 39,172.23, 54,051.98 and 22,401.99 is: 30,911.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,172.23 : 54,051.98 = 22,401.99 : x
  2. Step 2: Convert to fraction form
    39,172.23/54,051.98 = 22,401.99/x
  3. Step 3: Cross multiply
    39,172.23x = 54,051.98 × 22,401.99
  4. Step 4: Simplify right side
    39,172.23x = 1,210,871,803.43
  5. Step 5: Solve for x
    x = 1,210,871,803.43/39,172.23
  6. Step 6: Final answer
    x = 30,911.49

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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.