Home / 39,479.36-54,465.92-22,703.36

Finding the Fourth Proportional to 39,479.36, 54,465.92 and 22,703.36

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Solution

The fourth proportional to 39,479.36, 54,465.92 and 22,703.36 is: 31,321.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,479.36 : 54,465.92 = 22,703.36 : x
  2. Step 2: Convert to fraction form
    39,479.36/54,465.92 = 22,703.36/x
  3. Step 3: Cross multiply
    39,479.36x = 54,465.92 × 22,703.36
  4. Step 4: Simplify right side
    39,479.36x = 1,236,559,389.49
  5. Step 5: Solve for x
    x = 1,236,559,389.49/39,479.36
  6. Step 6: Final answer
    x = 31,321.67

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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.