Home / 39,412.86-54,390.36-22,416.66

Finding the Fourth Proportional to 39,412.86, 54,390.36 and 22,416.66

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Solution

The fourth proportional to 39,412.86, 54,390.36 and 22,416.66 is: 30,935.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,412.86 : 54,390.36 = 22,416.66 : x
  2. Step 2: Convert to fraction form
    39,412.86/54,390.36 = 22,416.66/x
  3. Step 3: Cross multiply
    39,412.86x = 54,390.36 × 22,416.66
  4. Step 4: Simplify right side
    39,412.86x = 1,219,250,207.40
  5. Step 5: Solve for x
    x = 1,219,250,207.40/39,412.86
  6. Step 6: Final answer
    x = 30,935.34

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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.