Home / 39,408.36-54,384.15-22,412.16

Finding the Fourth Proportional to 39,408.36, 54,384.15 and 22,412.16

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Solution

The fourth proportional to 39,408.36, 54,384.15 and 22,412.16 is: 30,929.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,408.36 : 54,384.15 = 22,412.16 : x
  2. Step 2: Convert to fraction form
    39,408.36/54,384.15 = 22,412.16/x
  3. Step 3: Cross multiply
    39,408.36x = 54,384.15 × 22,412.16
  4. Step 4: Simplify right side
    39,408.36x = 1,218,866,271.26
  5. Step 5: Solve for x
    x = 1,218,866,271.26/39,408.36
  6. Step 6: Final answer
    x = 30,929.13

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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.