Home / 39,408.50-54,384.93-22,415.19

Finding the Fourth Proportional to 39,408.50, 54,384.93 and 22,415.19

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Solution

The fourth proportional to 39,408.50, 54,384.93 and 22,415.19 is: 30,933.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,408.50 : 54,384.93 = 22,415.19 : x
  2. Step 2: Convert to fraction form
    39,408.50/54,384.93 = 22,415.19/x
  3. Step 3: Cross multiply
    39,408.50x = 54,384.93 × 22,415.19
  4. Step 4: Simplify right side
    39,408.50x = 1,219,048,641.06
  5. Step 5: Solve for x
    x = 1,219,048,641.06/39,408.50
  6. Step 6: Final answer
    x = 30,933.65

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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.