Home / 39,613.50-54,658.10-23,485.90

Finding the Fourth Proportional to 39,613.50, 54,658.10 and 23,485.90

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Solution

The fourth proportional to 39,613.50, 54,658.10 and 23,485.90 is: 32,405.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,613.50 : 54,658.10 = 23,485.90 : x
  2. Step 2: Convert to fraction form
    39,613.50/54,658.10 = 23,485.90/x
  3. Step 3: Cross multiply
    39,613.50x = 54,658.10 × 23,485.90
  4. Step 4: Simplify right side
    39,613.50x = 1,283,694,670.79
  5. Step 5: Solve for x
    x = 1,283,694,670.79/39,613.50
  6. Step 6: Final answer
    x = 32,405.48

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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.