Home / 39,426.34-54,407.87-22,430.54

Finding the Fourth Proportional to 39,426.34, 54,407.87 and 22,430.54

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Solution

The fourth proportional to 39,426.34, 54,407.87 and 22,430.54 is: 30,953.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,426.34 : 54,407.87 = 22,430.54 : x
  2. Step 2: Convert to fraction form
    39,426.34/54,407.87 = 22,430.54/x
  3. Step 3: Cross multiply
    39,426.34x = 54,407.87 × 22,430.54
  4. Step 4: Simplify right side
    39,426.34x = 1,220,397,904.35
  5. Step 5: Solve for x
    x = 1,220,397,904.35/39,426.34
  6. Step 6: Final answer
    x = 30,953.87

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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.