Home / 39,416.10-54,439.47-28,708.68

Finding the Fourth Proportional to 39,416.10, 54,439.47 and 28,708.68

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Solution

The fourth proportional to 39,416.10, 54,439.47 and 28,708.68 is: 39,650.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,416.10 : 54,439.47 = 28,708.68 : x
  2. Step 2: Convert to fraction form
    39,416.10/54,439.47 = 28,708.68/x
  3. Step 3: Cross multiply
    39,416.10x = 54,439.47 × 28,708.68
  4. Step 4: Simplify right side
    39,416.10x = 1,562,885,323.60
  5. Step 5: Solve for x
    x = 1,562,885,323.60/39,416.10
  6. Step 6: Final answer
    x = 39,650.94

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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.