Home / 40,031.48-55,245.57-23,038.31

Finding the Fourth Proportional to 40,031.48, 55,245.57 and 23,038.31

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Solution

The fourth proportional to 40,031.48, 55,245.57 and 23,038.31 is: 31,794.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,031.48 : 55,245.57 = 23,038.31 : x
  2. Step 2: Convert to fraction form
    40,031.48/55,245.57 = 23,038.31/x
  3. Step 3: Cross multiply
    40,031.48x = 55,245.57 × 23,038.31
  4. Step 4: Simplify right side
    40,031.48x = 1,272,764,567.79
  5. Step 5: Solve for x
    x = 1,272,764,567.79/40,031.48
  6. Step 6: Final answer
    x = 31,794.09

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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.