Home / 39,426.91-54,410.03-22,430.48

Finding the Fourth Proportional to 39,426.91, 54,410.03 and 22,430.48

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Solution

The fourth proportional to 39,426.91, 54,410.03 and 22,430.48 is: 30,954.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,426.91 : 54,410.03 = 22,430.48 : x
  2. Step 2: Convert to fraction form
    39,426.91/54,410.03 = 22,430.48/x
  3. Step 3: Cross multiply
    39,426.91x = 54,410.03 × 22,430.48
  4. Step 4: Simplify right side
    39,426.91x = 1,220,442,909.55
  5. Step 5: Solve for x
    x = 1,220,442,909.55/39,426.91
  6. Step 6: Final answer
    x = 30,954.57

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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.